Morozova, Anna L; Valente, Maria Antónia (2012): Monthly maximum and minimum temperatures at Coimbra during 1865 to 2005 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.785382, In supplement to: Morozova, AL; Valente, MA (2012): Homogenization of Portuguese long-term temperature data series: Lisbon, Coimbra and Porto. Earth System Science Data, 4, 187-213, https://doi.org/10.5194/essd-4-187-2012
Always quote citation above when using data! You can download the citation in several formats below.
Project(s):
Funding:
Seventh Framework Programme (FP7), grant/award no. 265229: European Reanalysis of Global Climate Observations
Coverage:
Latitude: 40.200000 * Longitude: -8.416700
Date/Time Start: 1865-01-01T00:00:00 * Date/Time End: 2005-12-01T00:00:00
Minimum Elevation: 141.0 m * Maximum Elevation: 141.0 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DATE/TIME | Date/Time | Geocode | |||
| 2 | Temperature, air, monthly minimum | TTT month min | °C | Valente, Maria Antónia | ||
| 3 | Temperature, air, monthly maximum | TTT month max | °C | Valente, Maria Antónia |
License:
Creative Commons Attribution-NonCommercial 3.0 Unported (CC-BY-NC-3.0)
Size:
3384 data points
Data
| 1 Date/Time | 2 TTT month min [°C] | 3 TTT month max [°C] |
|---|---|---|
| 1865-01 | 7.8 | 13.1 |
| 1865-02 | 6.5 | 13.6 |
| 1865-03 | 5.5 | 14.2 |
| 1865-04 | 11.1 | 19.7 |
| 1865-05 | 11.3 | 20.5 |
| 1865-06 | 16.6 | 28.7 |
| 1865-07 | 16.1 | 27.9 |
| 1865-08 | 14.5 | 25.3 |
| 1865-09 | 16.8 | 29.2 |
| 1865-10 | 12.5 | 19.5 |
| 1865-11 | 9.5 | 15.5 |
| 1865-12 | 5.8 | 12.6 |
| 1866-01 | 6.1 | 13.2 |
| 1866-02 | 6.9 | 13.5 |
| 1866-03 | 6.2 | 14.1 |
| 1866-04 | 9.8 | 18.3 |
| 1866-05 | 12.2 | 20.7 |
| 1866-06 | 13.4 | 23.3 |
| 1866-07 | 14.8 | 25.0 |
| 1866-08 | 15.5 | 28.2 |
| 1866-09 | 13.0 | 23.3 |
| 1866-10 | 11.9 | 20.5 |
| 1866-11 | 10.1 | 18.2 |
| 1866-12 | 7.7 | 15.4 |
| 1867-01 | 7.4 | 14.1 |
| 1867-02 | 7.9 | 16.5 |
| 1867-03 | 9.0 | 16.2 |
| 1867-04 | 10.5 | 20.8 |
| 1867-05 | 11.2 | 20.7 |
| 1867-06 | 15.2 | 27.3 |
| 1867-07 | 14.7 | 26.1 |
| 1867-08 | 14.5 | 26.6 |
| 1867-09 | 14.1 | 25.5 |
| 1867-10 | 10.7 | 21.3 |
| 1867-11 | 9.7 | 17.1 |
| 1867-12 | 5.0 | 12.5 |
| 1868-01 | 5.9 | 12.6 |
| 1868-02 | 5.9 | 15.0 |
| 1868-03 | 7.6 | 17.9 |
| 1868-04 | 9.9 | 20.2 |
| 1868-05 | 12.4 | 23.7 |
| 1868-06 | 16.0 | 29.3 |
| 1868-07 | 17.3 | 26.8 |
| 1868-08 | 15.9 | 27.2 |
| 1868-09 | 15.2 | 23.9 |
| 1868-10 | 10.9 | 19.1 |
| 1868-11 | 8.7 | 15.3 |
| 1868-12 | 11.1 | 15.7 |
| 1869-01 | 8.0 | 13.8 |
| 1869-02 | 7.8 | 16.0 |
| 1869-03 | 5.8 | 13.5 |
| 1869-04 | 9.9 | 19.6 |
| 1869-05 | 12.2 | 19.5 |
| 1869-06 | 14.8 | 26.3 |
| 1869-07 | 15.9 | 26.9 |
| 1869-08 | 16.6 | 29.8 |
| 1869-09 | 14.7 | 24.8 |
| 1869-10 | 12.4 | 21.4 |
| 1869-11 | 8.0 | 16.5 |
| 1869-12 | 6.3 | 11.4 |
| 1870-01 | 5.3 | 10.8 |
| 1870-02 | 8.1 | 13.6 |
| 1870-03 | 8.2 | 17.5 |
| 1870-04 | 11.2 | 22.1 |
| 1870-05 | 12.3 | 24.4 |
| 1870-06 | 15.8 | 29.3 |
| 1870-07 | 16.4 | 29.0 |
| 1870-08 | 15.6 | 27.1 |
| 1870-09 | 16.0 | 26.0 |
| 1870-10 | 13.9 | 21.1 |
| 1870-11 | 8.2 | 14.7 |
| 1870-12 | 5.9 | 11.6 |
| 1871-01 | 4.3 | 10.2 |
| 1871-02 | 8.4 | 15.5 |
| 1871-03 | 8.6 | 16.5 |
| 1871-04 | 11.1 | 21.1 |
| 1871-05 | 12.8 | 22.0 |
| 1871-06 | 13.0 | 21.8 |
| 1871-07 | 14.5 | 26.4 |
| 1871-08 | 15.8 | 27.4 |
| 1871-09 | 14.7 | 23.0 |
| 1871-10 | 12.4 | 20.5 |
| 1871-11 | 9.2 | 14.7 |
| 1871-12 | 4.4 | 10.2 |
| 1872-01 | 7.8 | 12.6 |
| 1872-02 | 7.8 | 13.7 |
| 1872-03 | 8.1 | 16.3 |
| 1872-04 | 9.8 | 19.0 |
| 1872-05 | 10.1 | 19.5 |
| 1872-06 | 13.3 | 25.4 |
| 1872-07 | 14.8 | 25.9 |
| 1872-08 | 15.3 | 27.7 |
| 1872-09 | 14.0 | 24.8 |
| 1872-10 | 9.7 | 17.1 |
| 1872-11 | 8.0 | 15.2 |
| 1872-12 | 6.6 | 12.2 |
| 1873-01 | 7.8 | 12.8 |
| 1873-02 | 6.0 | 12.2 |
| 1873-03 | 8.2 | 13.6 |
| 1873-04 | 9.1 | 18.4 |
| 1873-05 | 12.7 | 23.9 |
| 1873-06 | 14.8 | 24.4 |
| 1873-07 | 14.9 | 26.8 |
| 1873-08 | 14.8 | 27.5 |
| 1873-09 | 13.7 | 25.7 |
| 1873-10 | 10.8 | 19.4 |
| 1873-11 | 9.4 | 15.5 |
| 1873-12 | 5.2 | 12.9 |
| 1874-01 | 7.2 | 13.8 |
| 1874-02 | 6.9 | 14.1 |
| 1874-03 | 8.0 | 18.7 |
| 1874-04 | 9.8 | 19.0 |
| 1874-05 | 12.2 | 22.2 |
| 1874-06 | 13.8 | 23.0 |
| 1874-07 | 15.1 | 26.8 |
| 1874-08 | 15.4 | 28.9 |
| 1874-09 | 14.1 | 24.8 |
| 1874-10 | 11.8 | 19.9 |
| 1874-11 | 9.2 | 16.1 |
| 1874-12 | 5.4 | 11.1 |
| 1875-01 | 8.0 | 13.6 |
| 1875-02 | 5.5 | 12.7 |
| 1875-03 | 8.0 | 16.6 |
| 1875-04 | 10.0 | 18.4 |
| 1875-05 | 13.5 | 24.7 |
| 1875-06 | 12.8 | 24.4 |
| 1875-07 | 14.0 | 24.2 |
| 1875-08 | 16.0 | 28.1 |
| 1875-09 | 15.5 | 27.1 |
| 1875-10 | 12.8 | 20.6 |
| 1875-11 | 10.2 | 16.9 |
| 1875-12 | 4.3 | 10.8 |
| 1876-01 | 4.0 | 11.5 |
| 1876-02 | 7.7 | 15.1 |
| 1876-03 | 7.0 | 14.1 |
| 1876-04 | 8.0 | 16.7 |
| 1876-05 | 11.2 | 20.4 |
| 1876-06 | 12.3 | 21.8 |
| 1876-07 | 16.3 | 30.3 |
| 1876-08 | 15.8 | 27.2 |
| 1876-09 | 14.3 | 24.8 |
| 1876-10 | 12.7 | 19.6 |
| 1876-11 | 10.8 | 17.2 |
| 1876-12 | 9.4 | 14.3 |
| 1877-01 | 8.3 | 14.4 |
| 1877-02 | 6.2 | 14.8 |
| 1877-03 | 7.5 | 15.3 |
| 1877-04 | 10.5 | 17.8 |
| 1877-05 | 12.1 | 21.2 |
| 1877-06 | 14.6 | 25.6 |
| 1877-07 | 16.8 | 28.3 |
| 1877-08 | 16.4 | 26.9 |
| 1877-09 | 14.7 | 24.5 |
| 1877-10 | 12.3 | 20.7 |
| 1877-11 | 9.5 | 16.2 |
| 1877-12 | 7.3 | 12.7 |
| 1878-01 | 4.7 | 11.9 |
| 1878-02 | 7.2 | 14.9 |
| 1878-03 | 8.2 | 17.4 |
| 1878-04 | 11.4 | 18.3 |
| 1878-05 | 12.2 | 20.7 |
| 1878-06 | 13.4 | 23.4 |
| 1878-07 | 15.2 | 26.9 |
| 1878-08 | 16.3 | 25.2 |
| 1878-09 | 14.9 | 25.5 |
| 1878-10 | 12.1 | 20.2 |
| 1878-11 | 6.3 | 13.1 |
| 1878-12 | 6.5 | 12.7 |
| 1879-01 | 8.1 | 13.3 |
| 1879-02 | 7.5 | 12.8 |
| 1879-03 | 7.4 | 15.4 |
| 1879-04 | 7.9 | 14.7 |
| 1879-05 | 10.0 | 20.9 |
| 1879-06 | 13.1 | 22.6 |
| 1879-07 | 13.5 | 25.8 |
| 1879-08 | 15.0 | 26.3 |
| 1879-09 | 13.2 | 22.7 |
| 1879-10 | 12.2 | 20.0 |
| 1879-11 | 10.8 | 17.3 |
| 1879-12 | 4.5 | 11.6 |
| 1880-01 | 4.4 | 11.9 |
| 1880-02 | 7.3 | 14.8 |
| 1880-03 | 9.5 | 17.7 |
| 1880-04 | 8.5 | 16.2 |
| 1880-05 | 11.1 | 21.2 |
| 1880-06 | 12.2 | 22.1 |
| 1880-07 | 14.0 | 25.3 |
| 1880-08 | 15.9 | 26.5 |
| 1880-09 | 15.3 | 25.6 |
| 1880-10 | 14.1 | 20.6 |
| 1880-11 | 8.0 | 14.8 |
| 1880-12 | 7.2 | 13.1 |
| 1881-01 | 7.4 | 13.0 |
| 1881-02 | 8.6 | 14.2 |
| 1881-03 | 10.9 | 17.8 |
| 1881-04 | 10.5 | 18.0 |
| 1881-05 | 12.5 | 22.9 |
| 1881-06 | 14.2 | 25.6 |
| 1881-07 | 16.3 | 30.2 |
| 1881-08 | 15.7 | 29.6 |
| 1881-09 | 14.9 | 25.2 |
| 1881-10 | 11.6 | 19.4 |
| 1881-11 | 11.2 | 18.0 |
| 1881-12 | 5.7 | 12.0 |
| 1882-01 | 6.6 | 13.8 |
| 1882-02 | 7.6 | 15.5 |
| 1882-03 | 8.0 | 18.1 |
| 1882-04 | 9.8 | 17.4 |
| 1882-05 | 11.8 | 20.6 |
| 1882-06 | 13.0 | 23.5 |
| 1882-07 | 14.9 | 25.6 |
| 1882-08 | 15.3 | 27.6 |
| 1882-09 | 13.1 | 21.6 |
| 1882-10 | 11.4 | 18.9 |
| 1882-11 | 8.9 | 15.7 |
| 1882-12 | 5.8 | 12.4 |
| 1883-01 | 6.7 | 13.2 |
| 1883-02 | 6.8 | 15.1 |
| 1883-03 | 5.4 | 13.8 |
| 1883-04 | 9.3 | 17.8 |
| 1883-05 | 10.4 | 19.1 |
| 1883-06 | 12.4 | 21.8 |
| 1883-07 | 14.0 | 25.0 |
| 1883-08 | 14.5 | 28.4 |
| 1883-09 | 13.8 | 23.3 |
| 1883-10 | 10.7 | 18.9 |
| 1883-11 | 9.1 | 16.0 |
| 1883-12 | 4.3 | 11.9 |
| 1884-01 | 7.1 | 14.4 |
| 1884-02 | 6.7 | 13.3 |
| 1884-03 | 8.0 | 16.0 |
| 1884-04 | 8.2 | 15.0 |
| 1884-05 | 11.6 | 22.0 |
| 1884-06 | 13.8 | 25.4 |
| 1884-07 | 16.0 | 28.1 |
| 1884-08 | 16.7 | 28.9 |
| 1884-09 | 14.7 | 23.3 |
| 1884-10 | 11.1 | 20.1 |
| 1884-11 | 8.3 | 16.5 |
| 1884-12 | 4.9 | 12.3 |
| 1885-01 | 5.2 | 11.2 |
| 1885-02 | 8.9 | 15.6 |
| 1885-03 | 7.4 | 15.5 |
| 1885-04 | 7.1 | 15.3 |
| 1885-05 | 10.7 | 19.6 |
| 1885-06 | 14.4 | 24.1 |
| 1885-07 | 14.7 | 26.7 |
| 1885-08 | 14.8 | 25.2 |
| 1885-09 | 14.1 | 24.9 |
| 1885-10 | 9.6 | 17.4 |
| 1885-11 | 9.3 | 16.0 |
| 1885-12 | 6.5 | 13.3 |
| 1886-01 | 3.9 | 11.1 |
| 1886-02 | 5.8 | 13.3 |
| 1886-03 | 10.0 | 16.3 |
| 1886-04 | 9.2 | 17.9 |
| 1886-05 | 10.2 | 19.7 |
| 1886-06 | 14.4 | 24.4 |
| 1886-07 | 15.4 | 28.1 |
| 1886-08 | 15.1 | 28.2 |
| 1886-09 | 14.9 | 25.0 |
| 1886-10 | 10.6 | 18.1 |
| 1886-11 | 7.1 | 14.6 |
| 1886-12 | 7.1 | 13.3 |
| 1887-01 | 6.3 | 12.7 |
| 1887-02 | 4.5 | 13.9 |
| 1887-03 | 9.3 | 16.9 |
| 1887-04 | 7.8 | 17.8 |
| 1887-05 | 11.6 | 21.8 |
| 1887-06 | 16.4 | 29.0 |
| 1887-07 | 16.4 | 28.3 |
| 1887-08 | 16.3 | 28.2 |
| 1887-09 | 13.4 | 23.9 |
| 1887-10 | 10.0 | 19.0 |
| 1887-11 | 8.3 | 13.9 |
| 1887-12 | 4.8 | 11.2 |
| 1888-01 | 5.7 | 13.0 |
| 1888-02 | 2.8 | 10.9 |
| 1888-03 | 6.3 | 13.2 |
| 1888-04 | 7.9 | 16.8 |
| 1888-05 | 12.6 | 23.1 |
| 1888-06 | 13.4 | 23.8 |
| 1888-07 | 14.3 | 24.2 |
| 1888-08 | 14.8 | 27.3 |
| 1888-09 | 15.8 | 26.5 |
| 1888-10 | 12.7 | 21.1 |
| 1888-11 | 8.5 | 15.2 |
| 1888-12 | 7.8 | 13.6 |
| 1889-01 | 4.4 | 11.6 |
| 1889-02 | 5.4 | 13.2 |
| 1889-03 | 6.6 | 14.8 |
| 1889-04 | 7.5 | 15.2 |
| 1889-05 | 10.0 | 18.2 |
| 1889-06 | 13.0 | 21.5 |
| 1889-07 | 15.1 | 26.1 |
| 1889-08 | 14.5 | 26.6 |
| 1889-09 | 14.8 | 27.0 |
| 1889-10 | 9.9 | 17.3 |
| 1889-11 | 9.7 | 16.4 |
| 1889-12 | 3.8 | 11.4 |
| 1890-01 | 6.6 | 13.6 |
| 1890-02 | 4.5 | 12.8 |
| 1890-03 | 5.9 | 14.6 |
| 1890-04 | 8.3 | 16.9 |
| 1890-05 | 9.8 | 18.2 |
| 1890-06 | 14.0 | 26.9 |
| 1890-07 | 13.7 | 26.8 |
| 1890-08 | 13.9 | 25.4 |
| 1890-09 | 14.4 | 25.6 |
| 1890-10 | 11.6 | 22.0 |
| 1890-11 | 7.1 | 15.1 |
| 1890-12 | 4.3 | 10.6 |
| 1891-01 | 3.5 | 10.6 |
| 1891-02 | 6.7 | 16.2 |
| 1891-03 | 6.9 | 15.1 |
| 1891-04 | 9.8 | 17.7 |
| 1891-05 | 10.5 | 19.1 |
| 1891-06 | 14.6 | 24.9 |
| 1891-07 | 15.1 | 26.8 |
| 1891-08 | 13.7 | 26.6 |
| 1891-09 | 14.1 | 25.3 |
| 1891-10 | 11.2 | 19.1 |
| 1891-11 | 9.1 | 15.3 |
| 1891-12 | 7.5 | 13.4 |
| 1892-01 | 5.4 | 12.2 |
| 1892-02 | 6.4 | 13.4 |
| 1892-03 | 8.4 | 15.6 |
| 1892-04 | 9.8 | 18.8 |
| 1892-05 | 12.2 | 25.5 |
| 1892-06 | 14.5 | 24.9 |
| 1892-07 | 15.5 | 26.0 |
| 1892-08 | 15.5 | 28.6 |
| 1892-09 | 15.3 | 26.4 |
| 1892-10 | 10.3 | 17.9 |
| 1892-11 | 9.3 | 16.0 |
| 1892-12 | 5.4 | 12.4 |
| 1893-01 | 4.7 | 12.2 |
| 1893-02 | 7.0 | 13.7 |
| 1893-03 | 10.8 | 19.2 |
| 1893-04 | 11.2 | 20.9 |
| 1893-05 | 13.7 | 23.6 |
| 1893-06 | 15.5 | 26.3 |
| 1893-07 | 16.0 | 28.1 |
| 1893-08 | 16.8 | 28.6 |
| 1893-09 | 14.9 | 24.4 |
| 1893-10 | 12.7 | 21.3 |
| 1893-11 | 8.3 | 14.8 |
| 1893-12 | 5.8 | 12.4 |
| 1894-01 | 4.8 | 11.5 |
| 1894-02 | 5.7 | 14.4 |
| 1894-03 | 8.0 | 15.9 |
| 1894-04 | 8.8 | 16.0 |
| 1894-05 | 10.1 | 19.6 |
| 1894-06 | 13.7 | 25.6 |
| 1894-07 | 14.3 | 25.9 |
| 1894-08 | 15.0 | 28.1 |
| 1894-09 | 14.1 | 24.3 |
| 1894-10 | 12.9 | 20.8 |
| 1894-11 | 8.7 | 15.7 |
| 1894-12 | 6.6 | 13.4 |
| 1895-01 | 3.8 | 10.6 |
| 1895-02 | 8.7 | 14.4 |
| 1895-03 | 6.8 | 14.2 |
| 1895-04 | 10.2 | 18.3 |
| 1895-05 | 12.3 | 23.2 |
| 1895-06 | 14.6 | 25.8 |
| 1895-07 | 15.6 | 26.6 |
| 1895-08 | 15.3 | 27.7 |
| 1895-09 | 16.5 | 26.2 |
| 1895-10 | 13.6 | 20.6 |
| 1895-11 | 11.9 | 17.7 |
| 1895-12 | 8.1 | 14.0 |
| 1896-01 | 5.4 | 13.5 |
| 1896-02 | 6.3 | 16.0 |
| 1896-03 | 7.3 | 17.2 |
| 1896-04 | 10.3 | 23.3 |
| 1896-05 | 12.1 | 23.7 |
| 1896-06 | 14.2 | 24.0 |
| 1896-07 | 15.9 | 28.5 |
| 1896-08 | 14.7 | 28.0 |
| 1896-09 | 14.1 | 24.9 |
| 1896-10 | 7.8 | 17.5 |
| 1896-11 | 5.4 | 13.0 |
| 1896-12 | 5.8 | 12.2 |
| 1897-01 | 4.5 | 10.7 |
| 1897-02 | 7.8 | 15.6 |
| 1897-03 | 9.9 | 17.7 |
| 1897-04 | 9.5 | 18.0 |
| 1897-05 | 12.3 | 22.1 |
| 1897-06 | 15.4 | 27.6 |
| 1897-07 | 16.8 | 29.4 |
| 1897-08 | 15.3 | 26.7 |
| 1897-09 | 13.0 | 25.6 |
| 1897-10 | 13.6 | 23.1 |
| 1897-11 | 11.0 | 18.0 |
| 1897-12 | 8.0 | 13.8 |
| 1898-01 | 6.1 | 13.4 |
| 1898-02 | 5.6 | 15.9 |
| 1898-03 | 6.1 | 15.5 |
| 1898-04 | 8.7 | 18.1 |
| 1898-05 | 11.4 | 21.3 |
| 1898-06 | 14.3 | 26.0 |
| 1898-07 | 17.0 | 31.7 |
| 1898-08 | 16.5 | 30.7 |
| 1898-09 | 16.4 | 28.3 |
| 1898-10 | 13.2 | 21.0 |
| 1898-11 | 8.4 | 14.8 |
| 1898-12 | 5.9 | 13.2 |
| 1899-01 | 6.7 | 13.0 |
| 1899-02 | 9.4 | 15.4 |
| 1899-03 | 9.2 | 17.7 |
| 1899-04 | 10.0 | 21.3 |
| 1899-05 | 12.7 | 23.4 |
| 1899-06 | 14.4 | 25.3 |
| 1899-07 | 16.9 | 30.8 |
| 1899-08 | 17.8 | 29.7 |
| 1899-09 | 15.6 | 27.3 |
| 1899-10 | 16.6 | 23.5 |
| 1899-11 | 10.8 | 17.4 |
| 1899-12 | 6.7 | 13.6 |
| 4.7 | 12.2 | |
| 1900-02 | 7.8 | 13.8 |
| 1900-03 | 5.4 | 14.2 |
| 1900-04 | 11.3 | 20.3 |
| 1900-05 | 11.4 | 20.8 |
| 1900-06 | 13.7 | 24.3 |
| 1900-07 | 17.1 | 29.6 |
| 1900-08 | 15.3 | 26.9 |
| 1900-09 | 16.9 | 27.5 |
| 1900-10 | 12.8 | 21.1 |
| 1900-11 | 7.8 | 14.7 |
| 1900-12 | 7.4 | 13.9 |
| 1901-01 | 5.5 | 12.2 |
| 1901-02 | 3.4 | 10.9 |
| 1901-03 | 6.5 | 14.4 |
| 1901-04 | 9.7 | 19.1 |
| 1901-05 | 12.2 | 23.0 |
| 1901-06 | 14.6 | 26.8 |
| 1901-07 | 15.1 | 28.6 |
| 1901-08 | 16.0 | 28.8 |
| 1901-09 | 14.4 | 23.0 |
| 1901-10 | 10.7 | 18.5 |
| 1901-11 | 6.9 | 14.5 |
| 1901-12 | 4.0 | 11.2 |
| 1902-01 | 5.6 | 13.0 |
| 1902-02 | 7.2 | 12.8 |
| 1902-03 | 8.4 | 17.0 |
| 1902-04 | 10.3 | 18.2 |
| 1902-05 | 10.4 | 21.5 |
| 1902-06 | 12.6 | 22.4 |
| 1902-07 | 15.9 | 27.0 |
| 1902-08 | 14.6 | 26.4 |
| 1902-09 | 13.6 | 24.9 |
| 1902-10 | 11.2 | 20.2 |
| 1902-11 | 9.2 | 15.9 |
| 1902-12 | 6.4 | 12.7 |
| 1903-01 | 5.8 | 12.6 |
| 1903-02 | 7.0 | 16.0 |
| 1903-03 | 7.0 | 16.2 |
| 1903-04 | 9.7 | 20.4 |
| 1903-05 | 10.7 | 19.5 |
| 1903-06 | 13.3 | 23.4 |
| 1903-07 | 16.2 | 27.1 |
| 1903-08 | 15.7 | 28.4 |
| 1903-09 | 13.2 | 24.0 |
| 1903-10 | 11.4 | 20.0 |
| 1903-11 | 9.3 | 17.0 |
| 1903-12 | 4.6 | 11.0 |
| 1904-01 | 4.9 | 11.6 |
| 1904-02 | 6.5 | 12.6 |
| 1904-03 | 6.2 | 14.0 |
| 1904-04 | 9.5 | 20.9 |
| 1904-05 | 11.8 | 23.7 |
| 1904-06 | 14.0 | 25.6 |
| 1904-07 | 14.6 | 26.6 |
| 1904-08 | 16.0 | 28.4 |
| 1904-09 | 13.3 | 23.3 |
| 1904-10 | 13.4 | 23.5 |
| 1904-11 | 8.8 | 16.6 |
| 1904-12 | 8.4 | 14.3 |
| 1905-01 | 4.9 | 12.6 |
| 1905-02 | 3.6 | 13.5 |
| 1905-03 | 8.4 | 16.0 |
| 1905-04 | 10.3 | 19.5 |
| 1905-05 | 10.9 | 22.3 |
| 1905-06 | 13.2 | 22.4 |
| 1905-07 | 16.2 | 28.0 |
| 1905-08 | 14.7 | 25.6 |
| 1905-09 | 13.5 | 23.7 |
| 1905-10 | 10.2 | 20.2 |
| 1905-11 | 7.0 | 13.0 |
| 1905-12 | 6.6 | 13.4 |
| 1906-01 | 6.4 | 13.2 |
| 1906-02 | 4.7 | 11.9 |
| 1906-03 | 6.8 | 16.4 |
| 1906-04 | 8.5 | 17.7 |
| 1906-05 | 11.3 | 21.4 |
| 1906-06 | 15.5 | 26.0 |
| 1906-07 | 15.2 | 27.9 |
| 1906-08 | 15.7 | 29.2 |
| 1906-09 | 16.4 | 27.2 |
| 1906-10 | 12.1 | 20.4 |
| 1906-11 | 8.6 | 15.8 |
| 1906-12 | 5.1 | 12.2 |
| 1907-01 | 4.5 | 12.7 |
| 1907-02 | 4.5 | 13.0 |
| 1907-03 | 7.7 | 19.4 |
| 1907-04 | 9.0 | 17.6 |
| 1907-05 | 10.3 | 20.1 |
| 1907-06 | 13.2 | 24.8 |
| 1907-07 | 14.6 | 26.3 |
| 1907-08 | 15.4 | 29.1 |
| 1907-09 | 16.2 | 27.1 |
| 1907-10 | 10.6 | 17.1 |
| 1907-11 | 9.2 | 15.1 |
| 1907-12 | 9.4 | 13.8 |
| 1908-01 | 6.8 | 13.2 |
| 1908-02 | 5.2 | 14.5 |
| 1908-03 | 5.4 | 14.0 |
| 1908-04 | 7.6 | 17.3 |
| 1908-05 | 12.4 | 24.1 |
| 1908-06 | 14.4 | 24.8 |
| 1908-07 | 15.1 | 28.0 |
| 1908-08 | 16.1 | 27.4 |
| 1908-09 | 13.2 | 25.8 |
| 1908-10 | 12.9 | 22.4 |
| 1908-11 | 10.6 | 17.1 |
| 1908-12 | 7.6 | 13.4 |
| 1909-01 | 5.3 | 12.4 |
| 1909-02 | 4.7 | 13.1 |
| 1909-03 | 7.1 | 13.0 |
| 1909-04 | 10.2 | 21.0 |
| 1909-05 | 12.4 | 23.1 |
| 1909-06 | 12.5 | 21.8 |
| 1909-07 | 15.1 | 29.2 |
| 1909-08 | 15.9 | 27.2 |
| 1909-09 | 14.1 | 24.0 |
| 1909-10 | 14.7 | 20.5 |
| 1909-11 | 9.2 | 15.1 |
| 1909-12 | 8.5 | 13.6 |
| 1910-01 | 5.0 | 12.4 |
| 1910-02 | 7.6 | 13.5 |
| 1910-03 | 6.2 | 15.4 |
| 1910-04 | 8.8 | 17.2 |
| 1910-05 | 10.2 | 19.8 |
| 1910-06 | 14.0 | 23.3 |
| 1910-07 | 14.8 | 26.2 |
| 1910-08 | 14.9 | 26.8 |
| 1910-09 | 15.6 | 27.2 |
| 1910-10 | 12.3 | 20.5 |
| 1910-11 | 8.7 | 15.3 |
| 1910-12 | 7.5 | 13.3 |
| 1911-01 | 3.1 | 10.9 |
| 1911-02 | 6.6 | 14.7 |
| 1911-03 | 6.7 | 14.4 |
| 1911-04 | 7.8 | 16.8 |
| 1911-05 | 10.9 | 20.6 |
| 1911-06 | 13.3 | 23.0 |
| 1911-07 | 18.0 | 30.0 |
| 1911-08 | 16.2 | 27.7 |
| 1911-09 | 16.8 | 28.0 |
| 1911-10 | 11.6 | 18.5 |
| 1911-11 | 8.4 | 14.7 |
| 1911-12 | 8.3 | 13.8 |
| 1912-01 | 6.5 | 12.3 |
| 1912-02 | 9.2 | 15.7 |
| 1912-03 | 8.6 | 16.5 |
| 1912-04 | 9.9 | 20.2 |
| 1912-05 | 13.4 | 24.1 |
| 1912-06 | 12.9 | 23.1 |
| 1912-07 | 13.9 | 23.7 |
| 1912-08 | 13.6 | 23.4 |
| 1912-09 | 14.8 | 25.9 |
| 1912-10 | 11.5 | 19.4 |
| 1912-11 | 7.8 | 15.8 |
| 1912-12 | 5.3 | 12.6 |
| 1913-01 | 7.9 | 13.1 |
| 1913-02 | 6.3 | 13.9 |
| 1913-03 | 7.8 | 15.4 |
| 1913-04 | 8.4 | 16.8 |
| 1913-05 | 11.5 | 20.8 |
| 1913-06 | 13.9 | 26.9 |
| 1913-07 | 15.8 | 28.3 |
| 1913-08 | 15.5 | 26.8 |
| 1913-09 | 14.7 | 23.6 |
| 1913-10 | 12.0 | 19.5 |
| 1913-11 | 9.8 | 15.7 |
| 1913-12 | 5.6 | 12.5 |
| 1914-01 | 4.8 | 11.5 |
| 1914-02 | 7.6 | 14.2 |
| 1914-03 | 8.0 | 15.0 |
| 1914-04 | 10.5 | 19.6 |
| 1914-05 | 11.6 | 22.0 |
| 1914-06 | 13.7 | 23.1 |
| 1914-07 | 14.2 | 25.4 |
| 1914-08 | 15.1 | 27.3 |
| 1914-09 | 15.8 | 28.2 |
| 1914-10 | 12.3 | 21.9 |
| 1914-11 | 8.1 | 15.1 |
| 1914-12 | 7.1 | 12.5 |
| 1915-01 | 5.6 | 11.3 |
| 1915-02 | 5.9 | 12.0 |
| 1915-03 | 9.3 | 17.0 |
| 1915-04 | 8.1 | 17.8 |
| 1915-05 | 13.0 | 20.8 |
| 1915-06 | 14.5 | 24.6 |
| 1915-07 | 15.3 | 27.1 |
| 1915-08 | 16.0 | 28.2 |
| 1915-09 | 14.8 | 26.0 |
| 1915-10 | 11.2 | 20.3 |
| 1915-11 | 9.8 | 15.7 |
| 1915-12 | 8.9 | 13.9 |
| 1916-01 | 6.3 | 13.5 |
| 1916-02 | 5.3 | 12.6 |
| 1916-03 | 6.4 | 13.0 |
| 1916-04 | 8.4 | 18.2 |
| 1916-05 | 12.1 | 21.2 |
| 1916-06 | 13.0 | 24.2 |
| 1916-07 | 15.4 | 26.7 |
| 1916-08 | 16.4 | 27.6 |
| 1916-09 | 15.2 | 27.0 |
| 1916-10 | 12.2 | 22.0 |
| 1916-11 | 8.8 | 15.3 |
| 1916-12 | 8.0 | 13.3 |
| 1917-01 | 4.9 | 11.3 |
| 1917-02 | 6.0 | 12.2 |
| 1917-03 | 6.1 | 13.9 |
| 1917-04 | 8.3 | 18.4 |
| 1917-05 | 12.6 | 21.2 |
| 1917-06 | 13.9 | 25.4 |
| 1917-07 | 15.8 | 28.1 |
| 1917-08 | 14.1 | 25.6 |
| 1917-09 | 14.6 | 27.6 |
| 1917-10 | 10.1 | 20.0 |
| 1917-11 | 8.1 | 16.8 |
| 1917-12 | 3.2 | 10.7 |
| 1918-01 | 8.4 | 13.9 |
| 1918-02 | 6.5 | 15.2 |
| 1918-03 | 7.2 | 15.6 |
| 1918-04 | 8.3 | 17.1 |
| 1918-05 | 12.2 | 22.8 |
| 1918-06 | 14.7 | 28.0 |
| 1918-07 | 15.7 | 28.4 |
| 1918-08 | 16.1 | 30.1 |
| 1918-09 | 14.4 | 23.3 |
| 1918-10 | 9.2 | 18.5 |
| 1918-11 | 9.3 | 15.4 |
| 1918-12 | 7.0 | 12.6 |
| 1919-01 | 5.7 | 11.9 |
| 1919-02 | 9.7 | 14.2 |
| 1919-03 | 8.1 | 14.3 |
| 1919-04 | 8.5 | 18.3 |
| 1919-05 | 12.0 | 22.3 |
| 1919-06 | 16.0 | 28.3 |
| 1919-07 | 16.2 | 26.8 |
| 1919-08 | 16.0 | 29.9 |
| 1919-09 | 15.7 | 26.3 |
| 1919-10 | 11.5 | 20.2 |
| 1919-11 | 7.2 | 14.4 |
| 1919-12 | 6.2 | 12.4 |
| 1920-01 | 6.7 | 12.6 |
| 1920-02 | 8.3 | 15.8 |
| 1920-03 | 7.9 | 16.6 |
| 1920-04 | 10.5 | 19.1 |
| 1920-05 | 12.7 | 23.6 |
| 1920-06 | 15.0 | 24.9 |
| 1920-07 | 14.4 | 26.6 |
| 1920-08 | 15.3 | 28.0 |
| 1920-09 | 15.3 | 27.3 |
| 1920-10 | 12.1 | 18.3 |
| 1920-11 | 9.5 | 15.8 |
| 1920-12 | 7.2 | 13.0 |
| 1921-01 | 6.4 | 13.4 |
| 1921-02 | 6.9 | 13.6 |
| 1921-03 | 7.6 | 17.2 |
| 1921-04 | 9.2 | 20.2 |
| 1921-05 | 11.8 | 21.8 |
| 1921-06 | 14.8 | 27.4 |
| 1921-07 | 17.5 | 30.2 |
| 1921-08 | 15.6 | 28.7 |
| 1921-09 | 15.9 | 26.2 |
| 1921-10 | 15.2 | 23.5 |
| 1921-11 | 8.5 | 16.6 |
| 1921-12 | 5.5 | 13.1 |
| 1922-01 | 4.7 | 13.6 |
| 1922-02 | 6.3 | 15.0 |
| 1922-03 | 6.1 | 14.3 |
| 1922-04 | 8.1 | 16.2 |
| 1922-05 | 13.9 | 26.0 |
| 1922-06 | 13.5 | 25.8 |
| 1922-07 | 13.6 | 26.2 |
| 1922-08 | 14.1 | 28.9 |
| 1922-09 | 12.9 | 24.9 |
| 1922-10 | 11.4 | 21.4 |
| 1922-11 | 9.2 | 17.2 |
| 1922-12 | 4.9 | 14.4 |
| 1923-01 | 3.8 | 13.0 |
| 1923-02 | 6.3 | 14.3 |
| 1923-03 | 7.9 | 18.4 |
| 1923-04 | 6.8 | 16.0 |
| 1923-05 | 9.8 | 21.2 |
| 1923-06 | 13.5 | 27.6 |
| 1923-07 | 14.7 | 28.8 |
| 1923-08 | 14.6 | 30.0 |
| 1923-09 | 13.4 | 27.6 |
| 1923-10 | 12.7 | 24.4 |
| 1923-11 | 6.6 | 14.7 |
| 1923-12 | 3.4 | 13.6 |
| 1924-01 | 6.2 | 14.6 |
| 1924-02 | 3.3 | 13.3 |
| 1924-03 | 9.8 | 16.3 |
| 1924-04 | 8.8 | 19.5 |
| 1924-05 | 11.4 | 21.9 |
| 1924-06 | 12.9 | 26.3 |
| 1924-07 | 13.5 | 27.5 |
| 1924-08 | 14.0 | 28.2 |
| 1924-09 | 13.1 | 24.4 |
| 1924-10 | 11.9 | 21.1 |
| 1924-11 | 7.7 | 16.4 |
| 1924-12 | 6.8 | 14.6 |
| 1925-01 | 5.9 | 15.4 |
| 1925-02 | 4.1 | 13.3 |
| 1925-03 | 4.6 | 16.5 |
| 1925-04 | 8.2 | 17.2 |
| 1925-05 | 9.7 | 19.7 |
| 1925-06 | 15.0 | 26.1 |
| 1925-07 | 13.9 | 26.4 |
| 1925-08 | 14.6 | 28.8 |
| 1925-09 | 13.4 | 27.0 |
| 1925-10 | 11.8 | 24.2 |
| 1925-11 | 6.8 | 15.5 |
| 1925-12 | 8.9 | 14.8 |
| 1926-01 | 6.4 | 14.5 |
| 1926-02 | 7.9 | 17.6 |
| 1926-03 | 7.9 | 18.9 |
| 1926-04 | 8.6 | 18.1 |
| 1926-05 | 9.0 | 20.4 |
| 1926-06 | 12.4 | 25.3 |
| 1926-07 | 15.5 | 30.2 |
| 1926-08 | 16.0 | 31.9 |
| 1926-09 | 17.2 | 32.3 |
| 1926-10 | 12.6 | 24.7 |
| 1926-11 | 8.1 | 16.0 |
| 1926-12 | 5.4 | 13.4 |
| 1927-01 | 5.4 | 13.5 |
| 1927-02 | 5.7 | 15.1 |
| 1927-03 | 7.6 | 15.4 |
| 1927-04 | 8.9 | 20.6 |
| 1927-05 | 12.1 | 22.8 |
| 1927-06 | 13.4 | 26.2 |
| 1927-07 | 14.3 | 24.7 |
| 1927-08 | 14.6 | 27.7 |
| 1927-09 | 11.8 | 24.8 |
| 1927-10 | 11.6 | 24.2 |
| 1927-11 | 7.1 | 17.1 |
| 1927-12 | 6.6 | 13.9 |
| 1928-01 | 4.6 | 13.0 |
| 1928-02 | 7.1 | 16.6 |
| 1928-03 | 8.0 | 15.5 |
| 1928-04 | 8.8 | 17.0 |
| 1928-05 | 9.8 | 19.7 |
| 1928-06 | 13.8 | 25.9 |
| 1928-07 | 16.4 | 32.5 |
| 1928-08 | 14.8 | 28.4 |
| 1928-09 | 15.5 | 27.5 |
| 1928-10 | 11.5 | 21.4 |
| 1928-11 | 7.3 | 16.3 |
| 1928-12 | 4.6 | 13.7 |
| 1929-01 | 5.5 | 13.8 |
| 1929-02 | 6.8 | 15.0 |
| 1929-03 | 9.6 | 19.9 |
| 1929-04 | 10.2 | 21.7 |
| 1929-05 | 10.1 | 19.6 |
| 1929-06 | 15.3 | 27.1 |
| 1929-07 | 15.8 | 28.3 |
| 1929-08 | 15.8 | 30.0 |
| 1929-09 | 16.1 | 28.3 |
| 1929-10 | 11.9 | 22.5 |
| 1929-11 | 9.4 | 16.0 |
| 1929-12 | 8.4 | 15.2 |
| 1930-01 | 6.8 | 13.5 |
| 1930-02 | 4.5 | 13.1 |
| 1930-03 | 8.6 | 17.1 |
| 1930-04 | 7.9 | 15.4 |
| 1930-05 | 11.2 | 21.4 |
| 1930-06 | 13.8 | 23.1 |
| 1930-07 | 15.4 | 26.0 |
| 1930-08 | 15.8 | 29.6 |
| 1930-09 | 14.9 | 26.8 |
| 1930-10 | 12.8 | 22.6 |
| 1930-11 | 9.4 | 15.6 |
| 1930-12 | 8.5 | 14.5 |
| 1931-01 | 6.0 | 13.0 |
| 1931-02 | 5.7 | 14.3 |
| 1931-03 | 10.3 | 16.8 |
| 1931-04 | 9.2 | 19.9 |
| 1931-05 | 10.4 | 19.6 |
| 1931-06 | 14.1 | 25.8 |
| 1931-07 | 14.1 | 26.3 |
| 1931-08 | 14.6 | 27.0 |
| 1931-09 | 13.7 | 27.6 |
| 1931-10 | 12.0 | 23.6 |
| 1931-11 | 9.2 | 17.5 |
| 1931-12 | 3.5 | 14.6 |
| 1932-01 | 4.3 | 14.1 |
| 1932-02 | 3.7 | 14.5 |
| 1932-03 | 7.9 | 18.4 |
| 1932-04 | 6.3 | 17.4 |
| 1932-05 | 9.4 | 20.8 |
| 1932-06 | 12.8 | 23.9 |
| 1932-07 | 13.7 | 27.0 |
| 1932-08 | 16.1 | 30.2 |
| 1932-09 | 14.6 | 26.4 |
| 1932-10 | 10.6 | 20.2 |
| 1932-11 | 8.9 | 17.7 |
| 1932-12 | 6.9 | 14.6 |
| 1933-01 | 4.4 | 13.0 |
| 1933-02 | 4.2 | 15.7 |
| 1933-03 | 8.4 | 17.1 |
| 1933-04 | 9.2 | 22.3 |
| 1933-05 | 12.4 | 25.0 |
| 1933-06 | 13.1 | 24.8 |
| 1933-07 | 15.1 | 30.6 |
| 1933-08 | 16.4 | 31.4 |
| 1933-09 | 14.1 | 25.3 |
| 1933-10 | 11.1 | 21.6 |
| 1933-11 | 6.0 | 15.4 |
| 1933-12 | 2.2 | 11.6 |
| 1934-01 | 3.3 | 13.2 |
| 1934-02 | 3.2 | 16.0 |
| 1934-03 | 5.5 | 15.0 |
| 1934-04 | 7.4 | 16.9 |
| 1934-05 | 12.3 | 23.3 |
| 1934-06 | 14.1 | 23.8 |
| 1934-07 | 16.5 | 30.3 |
| 1934-08 | 14.2 | 27.7 |
| 1934-09 | 13.5 | 27.2 |
| 1934-10 | 12.2 | 24.6 |
| 1934-11 | 5.2 | 15.1 |
| 1934-12 | 8.9 | 15.3 |
| 1935-01 | 3.0 | 13.7 |
| 1935-02 | 4.3 | 15.3 |
| 1935-03 | 8.1 | 19.7 |
| 1935-04 | 7.8 | 19.9 |
| 1935-05 | 9.2 | 19.8 |
| 1935-06 | 12.1 | 23.8 |
| 1935-07 | 15.3 | 29.6 |
| 1935-08 | 15.1 | 29.7 |
| 1935-09 | 13.4 | 27.8 |
| 1935-10 | 9.4 | 22.0 |
| 1935-11 | 7.6 | 15.9 |
| 1935-12 | 7.1 | 13.5 |
| 1936-01 | 8.6 | 15.4 |
| 1936-02 | 8.1 | 15.3 |
| 1936-03 | 8.0 | 15.3 |
| 1936-04 | 9.1 | 18.6 |
| 1936-05 | 10.0 | 20.3 |
| 1936-06 | 11.5 | 23.7 |
| 1936-07 | 13.7 | 26.2 |
| 1936-08 | 15.5 | 32.0 |
| 1936-09 | 14.3 | 27.0 |
| 1936-10 | 10.0 | 21.3 |
| 1936-11 | 7.1 | 16.2 |
| 1936-12 | 4.2 | 14.1 |
| 1937-01 | 5.3 | 13.7 |
| 1937-02 | 7.0 | 15.8 |
| 1937-03 | 6.4 | 14.3 |
| 1937-04 | 9.8 | 20.0 |
| 1937-05 | 10.4 | 22.6 |
| 1937-06 | 13.1 | 25.2 |
| 1937-07 | 15.0 | 30.1 |
| 1937-08 | 15.2 | 30.5 |
| 1937-09 | 13.4 | 26.8 |
| 1937-10 | 12.1 | 21.5 |
| 1937-11 | 10.7 | 17.4 |
| 1937-12 | 5.4 | 13.1 |
| 1938-01 | 5.2 | 13.7 |
| 1938-02 | 4.7 | 16.1 |
| 1938-03 | 8.3 | 22.4 |
| 1938-04 | 9.7 | 24.0 |
| 1938-05 | 10.2 | 21.6 |
| 1938-06 | 13.3 | 28.4 |
| 1938-07 | 13.0 | 27.7 |
| 1938-08 | 14.0 | 28.7 |
| 1938-09 | 12.8 | 24.8 |
| 1938-10 | 11.2 | 23.0 |
| 1938-11 | 9.6 | 19.1 |
| 1938-12 | 5.7 | 13.0 |
| 1939-01 | 7.7 | 13.7 |
| 1939-02 | 6.8 | 16.8 |
| 1939-03 | 7.2 | 17.5 |
| 1939-04 | 8.5 | 19.2 |
| 1939-05 | 10.7 | 24.4 |
| 1939-06 | 13.1 | 24.2 |
| 1939-07 | 13.6 | 27.5 |
| 1939-08 | 14.7 | 27.9 |
| 1939-09 | 15.4 | 26.8 |
| 1939-10 | 11.1 | 19.8 |
| 1939-11 | 8.8 | 17.0 |
| 1939-12 | 6.8 | 13.6 |
| 1940-01 | 6.6 | 13.1 |
| 1940-02 | 8.4 | 15.7 |
| 1940-03 | 9.8 | 19.6 |
| 1940-04 | 9.8 | 20.3 |
| 1940-05 | 10.9 | 21.6 |
| 1940-06 | 14.0 | 26.3 |
| 1940-07 | 14.5 | 27.2 |
| 1940-08 | 17.0 | 32.3 |
| 1940-09 | 14.0 | 28.3 |
| 1940-10 | 10.5 | 20.4 |
| 1940-11 | 8.0 | 16.4 |
| 1940-12 | 4.1 | 13.0 |
| 1941-01 | 4.7 | 11.3 |
| 1941-02 | 7.1 | 14.1 |
| 1941-03 | 7.4 | 16.3 |
| 1941-04 | 9.0 | 18.5 |
| 1941-05 | 10.1 | 19.4 |
| 1941-06 | 14.5 | 26.7 |
| 1941-07 | 15.5 | 28.4 |
| 1941-08 | 14.0 | 30.0 |
| 1941-09 | 15.8 | 30.0 |
| 1941-10 | 12.4 | 26.4 |
| 1941-11 | 7.2 | 16.9 |
| 1941-12 | 4.6 | 14.8 |
| 1942-01 | 4.6 | 13.2 |
| 1942-02 | 3.9 | 14.6 |
| 1942-03 | 10.2 | 17.4 |
| 1942-04 | 9.5 | 19.0 |
| 1942-05 | 11.4 | 22.0 |
| 1942-06 | 15.9 | 27.3 |
| 1942-07 | 15.2 | 30.1 |
| 1942-08 | 14.6 | 28.5 |
| 1942-09 | 14.9 | 27.1 |
| 1942-10 | 13.3 | 23.9 |
| 1942-11 | 8.9 | 18.3 |
| 1942-12 | 6.8 | 15.5 |
| 1943-01 | 7.7 | 15.1 |
| 1943-02 | 5.8 | 16.9 |
| 1943-03 | 8.5 | 19.1 |
| 1943-04 | 11.6 | 24.7 |
| 1943-05 | 12.3 | 25.8 |
| 1943-06 | 14.1 | 29.4 |
| 1943-07 | 15.7 | 28.7 |
| 1943-08 | 14.9 | 31.8 |
| 1943-09 | 13.2 | 24.4 |
| 1943-10 | 11.7 | 21.4 |
| 1943-11 | 6.8 | 16.8 |
| 1943-12 | 6.7 | 14.1 |
| 1944-01 | 4.4 | 16.8 |
| 1944-02 | 3.4 | 16.1 |
| 1944-03 | 7.5 | 20.4 |
| 1944-04 | 10.9 | 23.0 |
| 1944-05 | 12.3 | 26.2 |
| 1944-06 | 15.1 | 29.8 |
| 1944-07 | 15.0 | 29.2 |
| 1944-08 | 16.2 | 29.7 |
| 1944-09 | 14.8 | 28.4 |
| 1944-10 | 9.9 | 20.7 |
| 1944-11 | 8.4 | 18.2 |
| 1944-12 | 5.8 | 14.5 |
| 1945-01 | 3.0 | 11.9 |
| 1945-02 | 6.5 | 17.9 |
| 1945-03 | 8.1 | 22.9 |
| 1945-04 | 12.4 | 26.2 |
| 1945-05 | 11.2 | 23.8 |
| 1945-06 | 14.6 | 29.1 |
| 1945-07 | 14.4 | 28.6 |
| 1945-08 | 14.4 | 28.9 |
| 1945-09 | 14.6 | 29.2 |
| 1945-10 | 14.4 | 26.7 |
| 1945-11 | 11.4 | 20.0 |
| 1945-12 | 7.4 | 16.1 |
| 1946-01 | 5.2 | 14.5 |
| 1946-02 | 6.3 | 18.3 |
| 1946-03 | 7.5 | 17.7 |
| 1946-04 | 10.0 | 20.2 |
| 1946-05 | 10.1 | 19.4 |
| 1946-06 | 13.0 | 25.7 |
| 1946-07 | 16.0 | 32.1 |
| 1946-08 | 14.5 | 28.1 |
| 1946-09 | 13.6 | 26.7 |
| 1946-10 | 13.2 | 23.4 |
| 1946-11 | 9.0 | 18.5 |
| 1946-12 | 6.1 | 13.9 |
| 1947-01 | 4.7 | 14.1 |
| 1947-02 | 7.0 | 13.3 |
| 1947-03 | 9.1 | 17.0 |
| 1947-04 | 9.8 | 24.5 |
| 1947-05 | 10.5 | 22.0 |
| 1947-06 | 13.9 | 27.3 |
| 1947-07 | 15.2 | 29.2 |
| 1947-08 | 16.5 | 30.7 |
| 1947-09 | 15.1 | 28.3 |
| 1947-10 | 12.9 | 25.2 |
| 1947-11 | 9.5 | 21.9 |
| 1947-12 | 5.6 | 15.5 |
| 1948-01 | 7.1 | 15.2 |
| 1948-02 | 7.4 | 18.4 |
| 1948-03 | 10.5 | 23.3 |
| 1948-04 | 9.1 | 20.5 |
| 1948-05 | 11.2 | 22.1 |
| 1948-06 | 14.2 | 28.5 |
| 1948-07 | 15.1 | 29.3 |
| 1948-08 | 15.8 | 29.0 |
| 1948-09 | 15.1 | 30.9 |
| 1948-10 | 12.7 | 25.5 |
| 1948-11 | 10.8 | 23.1 |
| 1948-12 | 8.3 | 16.7 |
| 1949-01 | 5.9 | 17.3 |
| 1949-02 | 7.0 | 19.7 |
| 1949-03 | 8.0 | 19.7 |
| 1949-04 | 11.4 | 25.6 |
| 1949-05 | 10.9 | 22.9 |
| 1949-06 | 14.7 | 28.7 |
| 1949-07 | 17.5 | 31.7 |
| 1949-08 | 17.7 | 32.6 |
| 1949-09 | 15.9 | 26.5 |
| 1949-10 | 13.1 | 24.1 |
| 1949-11 | 9.2 | 17.8 |
| 1949-12 | 7.5 | 14.9 |
| 1950-01 | 4.9 | 13.1 |
| 1950-02 | 6.8 | 16.0 |
| 1950-03 | 9.1 | 19.4 |
| 1950-04 | 8.4 | 21.8 |
| 1950-05 | 11.5 | 22.7 |
| 1950-06 | 14.4 | 26.2 |
| 1950-07 | 15.5 | 28.5 |
| 1950-08 | 13.9 | 28.5 |
| 1950-09 | 13.1 | 27.1 |
| 1950-10 | 11.9 | 23.4 |
| 1950-11 | 10.8 | 18.8 |
| 1950-12 | 4.4 | 12.5 |
| 1951-01 | 6.0 | 13.7 |
| 1951-02 | 7.4 | 12.9 |
| 1951-03 | 7.7 | 17.2 |
| 1951-04 | 8.5 | 20.5 |
| 1951-05 | 9.2 | 19.7 |
| 1951-06 | 12.9 | 25.8 |
| 1951-07 | 16.0 | 28.6 |
| 1951-08 | 13.7 | 27.5 |
| 1951-09 | 14.4 | 27.5 |
| 1951-10 | 10.4 | 21.8 |
| 1951-11 | 9.3 | 16.2 |
| 1951-12 | 7.0 | 15.7 |
| 1952-01 | 3.3 | 12.8 |
| 1952-02 | 6.0 | 16.8 |
| 1952-03 | 9.9 | 19.0 |
| 1952-04 | 8.5 | 20.1 |
| 1952-05 | 12.4 | 22.6 |
| 1952-06 | 14.5 | 27.1 |
| 1952-07 | 14.7 | 29.9 |
| 1952-08 | 14.7 | 28.0 |
| 1952-09 | 11.9 | 26.0 |
| 1952-10 | 11.8 | 22.3 |
| 1952-11 | 8.4 | 18.3 |
| 1952-12 | 6.8 | 14.3 |
| 1953-01 | 4.9 | 14.6 |
| 1953-02 | 4.3 | 15.8 |
| 1953-03 | 7.5 | 20.6 |
| 1953-04 | 8.8 | 19.9 |
| 1953-05 | 12.6 | 26.0 |
| 1953-06 | 12.6 | 24.7 |
| 1953-07 | 14.0 | 28.6 |
| 1953-08 | 15.9 | 31.4 |
| 1953-09 | 14.7 | 28.7 |
| 1953-10 | 11.4 | 22.5 |
| 1953-11 | 10.6 | 19.9 |
| 1953-12 | 8.9 | 17.1 |
| 1954-01 | 3.2 | 13.2 |
| 1954-02 | 4.4 | 13.6 |
| 1954-03 | 7.0 | 16.0 |
| 1954-04 | 8.5 | 20.3 |
| 1954-05 | 10.7 | 23.2 |
| 1954-06 | 12.2 | 23.9 |
| 1954-07 | 13.5 | 28.9 |
| 1954-08 | 13.6 | 26.6 |
| 1954-09 | 13.0 | 26.5 |
| 1954-10 | 13.2 | 26.8 |
| 1954-11 | 11.2 | 18.8 |
| 1954-12 | 6.4 | 16.2 |
| 1955-01 | 9.5 | 14.8 |
| 1955-02 | 6.5 | 14.8 |
| 1955-03 | 7.3 | 17.0 |
| 1955-04 | 11.1 | 23.2 |
| 1955-05 | 12.7 | 23.9 |
| 1955-06 | 13.8 | 25.2 |
| 1955-07 | 15.2 | 27.6 |
| 1955-08 | 16.2 | 30.3 |
| 1955-09 | 14.4 | 28.8 |
| 1955-10 | 11.6 | 24.3 |
| 1955-11 | 9.7 | 17.5 |
| 1955-12 | 7.9 | 16.1 |
| 1956-01 | 6.0 | 14.4 |
| 1956-02 | 1.3 | 12.4 |
| 1956-03 | 7.0 | 16.6 |
| 1956-04 | 9.1 | 18.3 |
| 1956-05 | 11.4 | 23.9 |
| 1956-06 | 13.4 | 26.1 |
| 1956-07 | 14.0 | 27.4 |
| 1956-08 | 13.4 | 25.4 |
| 1956-09 | 13.2 | 24.2 |
| 1956-10 | 12.4 | 23.1 |
| 1956-11 | 5.4 | 15.9 |
| 1956-12 | 3.6 | 14.1 |
| 1957-01 | 3.3 | 13.2 |
| 1957-02 | 7.9 | 15.5 |
| 1957-03 | 10.3 | 18.9 |
| 1957-04 | 8.1 | 20.6 |
| 1957-05 | 10.0 | 22.0 |
| 1957-06 | 12.6 | 24.9 |
| 1957-07 | 14.8 | 30.8 |
| 1957-08 | 14.9 | 30.1 |
| 1957-09 | 13.8 | 28.6 |
| 1957-10 | 9.7 | 24.0 |
| 1957-11 | 7.6 | 17.6 |
| 1957-12 | 3.1 | 13.2 |
| 1958-01 | 5.4 | 13.8 |
| 1958-02 | 7.6 | 17.0 |
| 1958-03 | 7.0 | 16.4 |
| 1958-04 | 7.8 | 20.4 |
| 1958-05 | 11.4 | 22.6 |
| 1958-06 | 13.0 | 24.0 |
| 1958-07 | 14.0 | 27.0 |
| 1958-08 | 14.1 | 27.4 |
| 1958-09 | 14.6 | 26.5 |
| 1958-10 | 11.9 | 23.2 |
| 1958-11 | 7.6 | 18.4 |
| 1958-12 | 7.4 | 14.1 |
| 1959-01 | 8.0 | 14.8 |
| 1959-02 | 5.0 | 16.4 |
| 1959-03 | 8.3 | 16.0 |
| 1959-04 | 9.2 | 19.1 |
| 1959-05 | 11.5 | 22.7 |
| 1959-06 | 13.8 | 25.9 |
| 1959-07 | 15.8 | 30.0 |
| 1959-08 | 16.1 | 30.0 |
| 1959-09 | 15.0 | 26.1 |
| 1959-10 | 11.2 | 22.3 |
| 1959-11 | 8.0 | 17.3 |
| 1959-12 | 7.0 | 14.0 |
| 1960-01 | 5.9 | 14.5 |
| 1960-02 | 7.5 | 15.3 |
| 1960-03 | 8.7 | 17.8 |
| 1960-04 | 9.6 | 21.2 |
| 1960-05 | 12.0 | 22.8 |
| 1960-06 | 14.2 | 26.7 |
| 1960-07 | 14.2 | 28.8 |
| 1960-08 | 13.7 | 27.4 |
| 1960-09 | 13.5 | 26.5 |
| 1960-10 | 10.8 | 19.4 |
| 1960-11 | 9.4 | 16.5 |
| 1960-12 | 4.8 | 12.4 |
| 1961-01 | 5.1 | 13.0 |
| 1961-02 | 8.5 | 19.2 |
| 1961-03 | 9.5 | 23.3 |
| 1961-04 | 9.4 | 19.5 |
| 1961-05 | 13.1 | 25.0 |
| 1961-06 | 14.1 | 26.6 |
| 1961-07 | 15.7 | 29.1 |
| 1961-08 | 15.4 | 32.5 |
| 1961-09 | 14.3 | 27.2 |
| 1961-10 | 11.4 | 21.2 |
| 1961-11 | 8.6 | 16.5 |
| 1961-12 | 8.3 | 15.8 |
| 1962-01 | 5.5 | 15.0 |
| 1962-02 | 3.9 | 16.4 |
| 1962-03 | 8.2 | 16.5 |
| 1962-04 | 9.1 | 20.6 |
| 1962-05 | 10.4 | 23.5 |
| 1962-06 | 13.7 | 28.9 |
| 1962-07 | 13.7 | 28.2 |
| 1962-08 | 14.2 | 29.8 |
| 1962-09 | 14.7 | 28.5 |
| 1962-10 | 14.3 | 25.5 |
| 1962-11 | 6.3 | 15.5 |
| 1962-12 | 5.0 | 13.7 |
| 1963-01 | 7.0 | 13.6 |
| 1963-02 | 5.2 | 13.0 |
| 1963-03 | 7.7 | 16.4 |
| 1963-04 | 8.5 | 20.0 |
| 1963-05 | 10.5 | 23.9 |
| 1963-06 | 13.2 | 24.4 |
| 1963-07 | 15.2 | 29.7 |
| 1963-08 | 13.0 | 27.6 |
| 1963-09 | 13.0 | 26.2 |
| 1963-10 | 11.6 | 26.2 |
| 1963-11 | 10.2 | 17.0 |
| 1963-12 | 6.1 | 13.4 |
| 1964-01 | 5.7 | 15.8 |
| 1964-02 | 7.1 | 16.1 |
| 1964-03 | 7.2 | 16.2 |
| 1964-04 | 7.3 | 19.8 |
| 1964-05 | 12.2 | 25.8 |
| 1964-06 | 14.2 | 27.1 |
| 1964-07 | 15.1 | 28.3 |
| 1964-08 | 15.5 | 31.3 |
| 1964-09 | 15.8 | 30.0 |
| 1964-10 | 11.2 | 22.6 |
| 1964-11 | 6.6 | 18.8 |
| 1964-12 | 3.5 | 13.6 |
| 1965-01 | 4.5 | 14.0 |
| 1965-02 | 4.3 | 14.7 |
| 1965-03 | 9.0 | 17.8 |
| 1965-04 | 8.5 | 20.4 |
| 1965-05 | 11.0 | 25.8 |
| 1965-06 | 13.7 | 27.1 |
| 1965-07 | 13.0 | 26.7 |
| 1965-08 | 13.9 | 29.8 |
| 1965-09 | 11.5 | 25.0 |
| 1965-10 | 13.8 | 22.1 |
| 1965-11 | 8.4 | 16.0 |
| 1965-12 | 7.1 | 14.0 |
| 1966-01 | 9.7 | 15.6 |
| 1966-02 | 8.9 | 15.3 |
| 1966-03 | 6.3 | 19.9 |
| 1966-04 | 9.4 | 19.0 |
| 1966-05 | 10.7 | 24.7 |
| 1966-06 | 13.6 | 25.7 |
| 1966-07 | 14.8 | 28.6 |
| 1966-08 | 15.0 | 29.2 |
| 1966-09 | 14.7 | 28.9 |
| 1966-10 | 11.6 | 20.4 |
| 1966-11 | 5.1 | 15.3 |
| 1966-12 | 5.5 | 14.8 |
| 1967-01 | 4.8 | 14.0 |
| 1967-02 | 6.5 | 16.5 |
| 1967-03 | 8.7 | 20.2 |
| 1967-04 | 8.5 | 20.6 |
| 1967-05 | 9.1 | 20.2 |
| 1967-06 | 13.3 | 28.0 |
| 1967-07 | 14.9 | 27.5 |
| 1967-08 | 14.6 | 28.1 |
| 1967-09 | 13.7 | 26.9 |
| 1967-10 | 12.1 | 23.6 |
| 1967-11 | 8.6 | 17.2 |
| 1967-12 | 4.1 | 13.3 |
| 1968-01 | 4.6 | 16.1 |
| 1968-02 | 6.8 | 14.6 |
| 1968-03 | 7.2 | 17.5 |
| 1968-04 | 8.3 | 18.6 |
| 1968-05 | 10.3 | 22.5 |
| 1968-06 | 12.9 | 26.9 |
| 1968-07 | 14.8 | 28.9 |
| 1968-08 | 15.1 | 28.7 |
| 1968-09 | 13.4 | 24.7 |
| 1968-10 | 13.2 | 25.3 |
| 1968-11 | 10.0 | 18.3 |
| 1968-12 | 6.6 | 14.6 |
| 1969-01 | 7.5 | 14.9 |
| 1969-02 | 5.2 | 13.8 |
| 1969-03 | 7.4 | 16.7 |
| 1969-04 | 8.1 | 18.8 |
| 1969-05 | 10.3 | 20.5 |
| 1969-06 | 13.0 | 24.2 |
| 1969-07 | 16.2 | 31.3 |
| 1969-08 | 15.4 | 29.9 |
| 1969-09 | 13.6 | 23.8 |
| 1969-10 | 13.7 | 24.0 |
| 1969-11 | 6.4 | 16.2 |
| 1969-12 | 4.0 | 12.8 |
| 1970-01 | 7.9 | 14.0 |
| 1970-02 | 4.4 | 15.4 |
| 1970-03 | 4.4 | 17.1 |
| 1970-04 | 6.7 | 20.5 |
| 1970-05 | 11.5 | 23.7 |
| 1970-06 | 13.0 | 23.9 |
| 1970-07 | 15.3 | 27.6 |
| 1970-08 | 14.0 | 27.4 |
| 1970-09 | 14.9 | 28.9 |
| 1970-10 | 10.2 | 25.8 |
| 1970-11 | 10.4 | 20.4 |
| 1970-12 | 2.5 | 12.7 |
| 1971-01 | 5.5 | 13.5 |
| 1971-02 | 5.7 | 17.4 |
| 1971-03 | 5.1 | 15.4 |
| 1971-04 | 8.8 | 18.8 |
| 1971-05 | 10.0 | 18.6 |
| 1971-06 | 12.1 | 22.5 |
| 1971-07 | 16.4 | 28.3 |
| 1971-08 | 13.9 | 26.3 |
| 1971-09 | 14.1 | 27.5 |
| 1971-10 | 13.9 | 26.4 |
| 1971-11 | 6.0 | 17.0 |
| 1971-12 | 6.8 | 15.1 |
| 1972-01 | 3.8 | 11.8 |
| 1972-02 | 6.3 | 13.6 |
| 1972-03 | 7.0 | 15.3 |
| 1972-04 | 8.0 | 19.5 |
| 1972-05 | 8.6 | 19.6 |
| 1972-06 | 11.2 | 21.5 |
| 1972-07 | 15.1 | 27.4 |
| 1972-08 | 14.4 | 27.8 |
| 1972-09 | 14.2 | 24.3 |
| 1972-10 | 11.6 | 20.2 |
| 1972-11 | 9.5 | 16.7 |
| 1972-12 | 6.5 | 13.6 |
| 1973-01 | 5.1 | 13.7 |
| 1973-02 | 4.8 | 14.9 |
| 1973-03 | 6.7 | 18.0 |
| 1973-04 | 7.9 | 21.3 |
| 1973-05 | 11.0 | 21.3 |
| 1973-06 | 14.6 | 26.2 |
| 1973-07 | 15.0 | 26.3 |
| 1973-08 | 15.8 | 28.8 |
| 1973-09 | 13.6 | 25.7 |
| 1973-10 | 12.7 | 21.6 |
| 1973-11 | 8.9 | 18.8 |
| 1973-12 | 4.2 | 13.6 |
| 1974-01 | 7.8 | 14.4 |
| 1974-02 | 5.5 | 14.5 |
| 1974-03 | 6.5 | 16.3 |
| 1974-04 | 7.7 | 18.0 |
| 1974-05 | 10.9 | 22.0 |
| 1974-06 | 13.6 | 25.1 |
| 1974-07 | 15.2 | 29.8 |
| 1974-08 | 13.7 | 28.0 |
| 1974-09 | 11.5 | 24.0 |
| 1974-10 | 7.7 | 20.0 |
| 1974-11 | 7.3 | 17.5 |
| 1974-12 | 6.4 | 15.6 |
| 1975-01 | 6.4 | 15.0 |
| 1975-02 | 8.1 | 15.6 |
| 1975-03 | 5.4 | 15.0 |
| 1975-04 | 7.8 | 19.5 |
| 1975-05 | 11.2 | 21.5 |
| 1975-06 | 13.3 | 25.5 |
| 1975-07 | 15.0 | 27.7 |
| 1975-08 | 15.0 | 29.6 |
| 1975-09 | 13.4 | 24.6 |
| 1975-10 | 13.0 | 22.5 |
| 1975-11 | 7.7 | 17.3 |
| 1975-12 | 4.6 | 12.8 |
| 1976-01 | 3.3 | 15.2 |
| 1976-02 | 7.0 | 15.7 |
| 1976-03 | 6.4 | 18.4 |
| 1976-04 | 8.1 | 17.7 |
| 1976-05 | 10.6 | 22.9 |
| 1976-06 | 14.6 | 29.8 |
| 1976-07 | 15.9 | 29.5 |
| 1976-08 | 15.3 | 28.7 |
| 1976-09 | 12.7 | 24.8 |
| 1976-10 | 10.3 | 19.2 |
| 1976-11 | 7.0 | 15.6 |
| 1976-12 | 7.9 | 14.2 |
| 1977-01 | 6.5 | 13.0 |
| 1977-02 | 8.1 | 14.6 |
| 1977-03 | 7.9 | 18.1 |
| 1977-04 | 9.5 | 19.6 |
| 1977-05 | 9.4 | 19.8 |
| 1977-06 | 11.7 | 22.4 |
| 1977-07 | 13.6 | 25.2 |
| 1977-08 | 13.6 | 25.9 |
| 1977-09 | 15.1 | 28.8 |
| 1977-10 | 12.2 | 21.4 |
| 1977-11 | 7.6 | 16.4 |
| 1977-12 | 9.6 | 16.1 |
| 1978-01 | 5.9 | 12.9 |
| 1978-02 | 7.8 | 15.5 |
| 1978-03 | 7.0 | 16.9 |
| 1978-04 | 8.1 | 16.7 |
| 1978-05 | 10.5 | 20.1 |
| 1978-06 | 12.8 | 22.5 |
| 1978-07 | 13.5 | 27.8 |
| 1978-08 | 14.0 | 28.7 |
| 1978-09 | 16.0 | 29.7 |
| 1978-10 | 12.1 | 23.5 |
| 1978-11 | 9.0 | 18.3 |
| 1978-12 | 8.8 | 14.8 |
| 1979-01 | 6.9 | 13.9 |
| 1979-02 | 8.2 | 14.1 |
| 1979-03 | 6.3 | 14.8 |
| 1979-04 | 7.9 | 18.1 |
| 1979-05 | 10.3 | 21.7 |
| 1979-06 | 13.7 | 26.4 |
| 1979-07 | 16.6 | 28.4 |
| 1979-08 | 15.0 | 28.2 |
| 1979-09 | 14.0 | 26.5 |
| 1979-10 | 11.4 | 19.2 |
| 1979-11 | 7.1 | 17.4 |
| 1979-12 | 7.0 | 14.7 |
| 1980-01 | 6.8 | 14.1 |
| 1980-02 | 7.2 | 15.6 |
| 1980-03 | 7.5 | 16.7 |
| 1980-04 | 9.4 | 21.3 |
| 1980-05 | 11.1 | 19.7 |
| 1980-06 | 12.8 | 24.1 |
| 1980-07 | 13.9 | 26.6 |
| 1980-08 | 16.0 | 28.3 |
| 1980-09 | 14.4 | 27.7 |
| 1980-10 | 11.2 | 22.1 |
| 1980-11 | 7.8 | 16.6 |
| 1980-12 | 4.6 | 13.6 |
| 1981-01 | 4.4 | 15.5 |
| 1981-02 | 5.5 | 15.6 |
| 1981-03 | 9.4 | 18.2 |
| 1981-04 | 8.5 | 18.4 |
| 1981-05 | 9.9 | 19.7 |
| 1981-06 | 15.3 | 29.1 |
| 1981-07 | 15.3 | 29.5 |
| 1981-08 | 15.4 | 29.1 |
| 1981-09 | 14.3 | 26.1 |
| 1981-10 | 11.7 | 21.8 |
| 1981-11 | 10.9 | 22.0 |
| 1981-12 | 8.5 | 14.9 |
| 1982-01 | 6.8 | 15.5 |
| 1982-02 | 7.2 | 15.9 |
| 1982-03 | 6.8 | 19.0 |
| 1982-04 | 9.5 | 22.2 |
| 1982-05 | 10.6 | 22.4 |
| 1982-06 | 13.1 | 24.5 |
| 1982-07 | 14.9 | 26.0 |
| 1982-08 | 15.4 | 29.2 |
| 1982-09 | 15.1 | 27.2 |
| 1982-10 | 10.5 | 20.6 |
| 1982-11 | 8.7 | 16.7 |
| 1982-12 | 6.3 | 13.3 |
| 1983-01 | 4.9 | 15.1 |
| 1983-02 | 5.5 | 13.6 |
| 1983-03 | 8.5 | 19.9 |
| 1983-04 | 8.5 | 17.3 |
| 1983-05 | 9.7 | 18.9 |
| 1983-06 | 14.8 | 26.9 |
| 1983-07 | 16.0 | 25.7 |
| 1983-08 | 15.6 | 27.8 |
| 1983-09 | 14.8 | 28.5 |
| 1983-10 | 12.3 | 23.6 |
| 1983-11 | 12.8 | 19.0 |
| 1983-12 | 7.4 | 15.9 |
| 1984-01 | 5.7 | 13.2 |
| 1984-02 | 4.8 | 15.0 |
| 1984-03 | 6.5 | 15.7 |
| 1984-04 | 11.8 | 22.0 |
| 1984-05 | 9.1 | 18.2 |
| 1984-06 | 14.6 | 25.0 |
| 1984-07 | 15.2 | 27.8 |
| 1984-08 | 15.6 | 28.8 |
| 1984-09 | 13.6 | 26.7 |
| 1984-10 | 11.1 | 22.1 |
| 1984-11 | 8.9 | 16.1 |
| 1984-12 | 8.3 | 15.0 |
| 1985-01 | 4.7 | 13.0 |
| 1985-02 | 9.6 | 16.1 |
| 1985-03 | 6.5 | 16.5 |
| 1985-04 | 9.5 | 20.5 |
| 1985-05 | 9.8 | 20.7 |
| 1985-06 | 13.9 | 25.2 |
| 1985-07 | 15.1 | 28.3 |
| 1985-08 | 14.0 | 28.0 |
| 1985-09 | 16.0 | 30.4 |
| 1985-10 | 12.4 | 25.6 |
| 1985-11 | 8.6 | 16.5 |
| 1985-12 | 7.0 | 15.1 |
| 1986-01 | 5.1 | 13.3 |
| 1986-02 | 6.6 | 13.4 |
| 1986-03 | 6.5 | 16.4 |
| 1986-04 | 5.7 | 15.8 |
| 1986-05 | 10.8 | 22.2 |
| 1986-06 | 13.4 | 26.1 |
| 1986-07 | 15.8 | 29.5 |
| 1986-08 | 14.0 | 28.0 |
| 1986-09 | 16.4 | 26.3 |
| 1986-10 | 12.9 | 22.9 |
| 1986-11 | 8.3 | 17.4 |
| 1986-12 | 6.7 | 14.3 |
| 1987-01 | 5.6 | 13.8 |
| 1987-02 | 6.7 | 14.9 |
| 1987-03 | 8.2 | 19.0 |
| 1987-04 | 10.5 | 19.8 |
| 1987-05 | 11.8 | 24.0 |
| 1987-06 | 13.5 | 25.8 |
| 1987-07 | 16.3 | 29.4 |
| 1987-08 | 17.4 | 30.2 |
| 1987-09 | 16.8 | 29.2 |
| 1987-10 | 11.8 | 19.2 |
| 1987-11 | 9.1 | 17.6 |
| 1987-12 | 9.8 | 15.7 |
| 1988-01 | 7.8 | 13.8 |
| 1988-02 | 7.0 | 15.3 |
| 1988-03 | 7.5 | 18.9 |
| 1988-04 | 9.3 | 18.3 |
| 1988-05 | 11.3 | 19.9 |
| 1988-06 | 14.4 | 23.8 |
| 1988-07 | 14.7 | 26.0 |
| 1988-08 | 14.7 | 27.9 |
| 1988-09 | 14.2 | 29.6 |
| 1988-10 | 12.7 | 22.6 |
| 1988-11 | 11.4 | 19.2 |
| 1988-12 | 6.2 | 15.1 |
| 1989-01 | 5.3 | 15.2 |
| 1989-02 | 7.8 | 17.1 |
| 1989-03 | 8.4 | 19.7 |
| 1989-04 | 8.0 | 16.9 |
| 1989-05 | 12.6 | 24.6 |
| 1989-06 | 14.7 | 26.7 |
| 1989-07 | 17.7 | 32.4 |
| 1989-08 | 17.3 | 29.1 |
| 1989-09 | 14.3 | 27.3 |
| 1989-10 | 14.7 | 25.2 |
| 1989-11 | 10.8 | 17.0 |
| 1989-12 | 11.0 | 15.9 |
| 1990-01 | 5.7 | 13.4 |
| 1990-02 | 9.9 | 17.2 |
| 1990-03 | 9.9 | 20.3 |
| 1990-04 | 8.6 | 18.4 |
| 1990-05 | 13.0 | 25.2 |
| 1990-06 | 14.3 | 25.8 |
| 1990-07 | 16.7 | 31.2 |
| 1990-08 | 16.4 | 30.6 |
| 1990-09 | 15.9 | 27.6 |
| 1990-10 | 12.6 | 20.9 |
| 1990-11 | 7.5 | 16.9 |
| 1990-12 | 6.6 | 13.2 |
| 1991-01 | 5.7 | 13.4 |
| 1991-02 | 5.1 | 14.0 |
| 1991-03 | 8.6 | 16.7 |
| 1991-04 | 8.3 | 19.5 |
| 1991-05 | 12.0 | 25.9 |
| 1991-06 | 13.4 | 26.2 |
| 1991-07 | 15.8 | 29.9 |
| 1991-08 | 16.7 | 29.8 |
| 1991-09 | 15.5 | 27.6 |
| 1991-10 | 11.2 | 20.2 |
| 1991-11 | 8.7 | 15.9 |
| 1991-12 | 7.3 | 15.1 |
| 1992-01 | 4.6 | 14.4 |
| 1992-02 | 6.3 | 19.4 |
| 1992-03 | 7.7 | 19.3 |
| 1992-04 | 9.4 | 15.3 |
| 1992-05 | 12.7 | 24.3 |
| 1992-06 | 13.3 | 19.9 |
| 1992-07 | 15.6 | 28.4 |
| 1992-08 | 15.4 | 32.1 |
| 1992-09 | 13.1 | 26.9 |
| 1992-10 | 10.0 | 22.1 |
| 1992-11 | 9.7 | 18.3 |
| 1992-12 | 8.5 | 14.7 |
| 1993-01 | 5.4 | 14.7 |
| 1993-02 | 7.3 | 16.9 |
| 1993-03 | 8.0 | 18.5 |
| 1993-04 | 8.4 | 18.3 |
| 1993-05 | 10.9 | 19.8 |
| 1993-06 | 14.4 | 25.7 |
| 1993-07 | 15.5 | 29.9 |
| 1993-08 | 15.6 | 29.1 |
| 1993-09 | 13.4 | 22.7 |
| 1993-10 | 11.0 | 18.6 |
| 1993-11 | 8.1 | 16.0 |
| 1993-12 | 7.9 | 14.2 |
| 1994-01 | 5.9 | 14.1 |
| 1994-02 | 5.4 | 14.3 |
| 1994-03 | 9.3 | 21.0 |
| 1994-04 | 7.8 | 19.4 |
| 1994-05 | 10.8 | 20.4 |
| 1994-06 | 14.6 | 27.6 |
| 1994-07 | 15.3 | 26.6 |
| 1994-08 | 15.6 | 27.6 |
| 1994-09 | 12.9 | 24.9 |
| 1994-10 | 13.6 | 21.9 |
| 1994-11 | 10.5 | 19.6 |
| 1994-12 | 8.4 | 15.8 |
| 1995-01 | 7.4 | 14.8 |
| 1995-02 | 7.8 | 16.4 |
| 1995-03 | 8.3 | 19.9 |
| 1995-04 | 9.8 | 23.2 |
| 1995-05 | 13.3 | 24.3 |
| 1995-06 | 14.9 | 27.0 |
| 1995-07 | 16.7 | 29.0 |
| 1995-08 | 17.6 | 30.9 |
| 1995-09 | 13.9 | 24.9 |
| 1995-10 | 14.2 | 25.5 |
| 1995-11 | 12.2 | 18.8 |
| 1995-12 | 9.9 | 15.3 |
| 1996-01 | 8.6 | 14.3 |
| 1996-02 | 5.5 | 14.0 |
| 1996-03 | 8.6 | 18.3 |
| 1996-04 | 10.0 | 21.2 |
| 1996-05 | 10.6 | 20.5 |
| 1996-06 | 14.3 | 29.2 |
| 1996-07 | 15.9 | 29.4 |
| 1996-08 | 15.0 | 27.8 |
| 1996-09 | 13.5 | 25.3 |
| 1996-10 | 11.2 | 22.6 |
| 1996-11 | 8.7 | 16.2 |
| 1996-12 | 7.6 | 13.9 |
| 1997-01 | 6.8 | 14.3 |
| 1997-02 | 8.5 | 17.8 |
| 1997-03 | 10.8 | 25.4 |
| 1997-04 | 12.3 | 24.1 |
| 1997-05 | 11.9 | 21.8 |
| 1997-06 | 13.1 | 22.6 |
| 1997-07 | 16.0 | 29.4 |
| 1997-08 | 16.1 | 27.8 |
| 1997-09 | 15.1 | 27.4 |
| 1997-10 | 14.3 | 24.3 |
| 1997-11 | 10.9 | 17.4 |
| 1997-12 | 8.3 | 14.9 |
| 1998-01 | 8.2 | 14.9 |
| 1998-02 | 9.2 | 19.2 |
| 1998-03 | 9.1 | 21.5 |
| 1998-04 | 7.8 | 16.7 |
| 1998-05 | 11.5 | 22.1 |
| 1998-06 | 12.9 | 26.0 |
| 1998-07 | 14.4 | 29.1 |
| 1998-08 | 16.1 | 31.6 |
| 1998-09 | 14.8 | 25.7 |
| 1998-10 | 10.5 | 21.5 |
| 1998-11 | 8.4 | 17.9 |
| 1998-12 | 4.6 | 14.7 |
| 1999-01 | 5.7 | 14.9 |
| 1999-02 | 5.5 | 16.3 |
| 1999-03 | 8.1 | 18.5 |
| 1999-04 | 9.5 | 20.8 |
| 1999-05 | 12.3 | 22.9 |
| 1999-06 | 14.4 | 27.3 |
| 1999-07 | 16.8 | 29.8 |
| 1999-08 | 16.5 | 27.9 |
| 1999-09 | 15.3 | 25.2 |
| 1999-10 | 13.0 | 20.9 |
| 1999-11 | 7.8 | 17.4 |
| 1999-12 | 6.9 | 14.4 |
| 2000-01 | 4.5 | 14.0 |
| 2000-02 | 8.6 | 17.9 |
| 2000-03 | 9.0 | 20.7 |
| 2000-04 | 9.1 | 16.2 |
| 2000-05 | 12.7 | 22.2 |
| 2000-06 | 15.7 | 28.0 |
| 2000-07 | 15.6 | 28.4 |
| 2000-08 | 16.3 | 28.7 |
| 2000-09 | 14.0 | 27.0 |
| 2000-10 | 11.3 | 21.0 |
| 2000-11 | 8.9 | 15.6 |
| 2000-12 | 9.5 | 14.7 |
| 2001-01 | 7.8 | 13.8 |
| 2001-02 | 8.1 | 17.0 |
| 2001-03 | 11.1 | 17.2 |
| 2001-04 | 9.5 | 20.1 |
| 2001-05 | 11.8 | 23.2 |
| 2001-06 | 14.4 | 27.1 |
| 2001-07 | 15.5 | 26.3 |
| 2001-08 | 16.1 | 27.9 |
| 2001-09 | 15.6 | 28.0 |
| 2001-10 | 13.8 | 22.4 |
| 2001-11 | 7.4 | 17.2 |
| 2001-12 | 5.8 | 14.3 |
| 2002-01 | 8.3 | 15.8 |
| 2002-02 | 7.5 | 17.1 |
| 2002-03 | 9.7 | 19.5 |
| 2002-04 | 9.0 | 20.8 |
| 2002-05 | 11.0 | 21.1 |
| 2002-06 | 13.6 | 24.8 |
| 2002-07 | 15.0 | 28.0 |
| 2002-08 | 15.3 | 28.4 |
| 2002-09 | 15.7 | 24.6 |
| 2002-10 | 14.6 | 22.3 |
| 2002-11 | 10.2 | 16.5 |
| 2002-12 | 10.1 | 15.9 |
| 2003-01 | 6.1 | 14.3 |
| 2003-02 | 6.9 | 14.4 |
| 2003-03 | 9.4 | 19.7 |
| 2003-04 | 9.8 | 19.8 |
| 2003-05 | 11.9 | 25.0 |
| 2003-06 | 15.3 | 27.6 |
| 2003-07 | 15.3 | 27.4 |
| 2003-08 | 18.4 | 31.5 |
| 2003-09 | 16.3 | 28.9 |
| 2003-10 | 12.7 | 20.7 |
| 2003-11 | 10.4 | 17.2 |
| 2003-12 | 7.5 | 14.5 |
| 2004-01 | 7.6 | 14.7 |
| 2004-02 | 7.1 | 16.4 |
| 2004-03 | 6.8 | 17.6 |
| 2004-04 | 8.9 | 20.2 |
| 2004-05 | 12.3 | 22.6 |
| 2004-06 | 16.6 | 28.5 |
| 2004-07 | 16.5 | 27.6 |
| 2004-08 | 17.4 | 27.4 |
| 2004-09 | 15.7 | 28.8 |
| 2004-10 | 12.2 | 20.7 |
| 2004-11 | 8.5 | 17.2 |
| 2004-12 | 6.3 | 14.2 |
| 2005-01 | 4.5 | 14.6 |
| 2005-02 | 3.6 | 14.8 |
| 2005-03 | 8.5 | 19.2 |
| 2005-04 | 9.9 | 20.3 |
| 2005-05 | 12.4 | 23.3 |
| 2005-06 | 16.0 | 29.6 |
| 2005-07 | 16.5 | 29.7 |
| 2005-08 | 17.5 | 32.1 |
| 2005-09 | 14.7 | 27.8 |
| 2005-10 | 13.7 | 23.1 |
| 2005-11 | 7.9 | 15.6 |
| 2005-12 | 7.0 | 14.8 |