| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| 1901 | 4 | 8 | 6 | 3 | 6 | 7 | 8 | 4 | 5 | 2 | 5 | 3 | 61 |
| 1902 | 8 | 6 | 9 | 5 | 4 | 1 | 16 | 2 | 9 | 4 | 11 | 4 | 79 |
| 1903 | 8 | 14 | 14 | 1 | 6 | 8 | 12 | 5 | 1 | 6 | 1 | 5 | 81 |
| 1904 | 7 | 6 | 7 | 7 | 3 | 8 | 9 | 4 | 5 | 2 | 3 | 4 | 65 |
| 1905 | 8 | 6 | 10 | 11 | 9 | 8 | 10 | 3 | 4 | 4 | 4 | 11 | 88 |
| 1906 | 4 | 2 | 7 | 8 | 6 | 9 | 7 | 7 | 5 | 4 | 6 | 7 | 72 |
| 1907 | 7 | 4 | 4 | 9 | 13 | 1 | 6 | 1 | 1 | 9 | 6 | 3 | 64 |
| 1908 | 3 | 9 | 5 | 5 | 6 | 4 | 5 | 9 | 6 | 1 | 9 | 4 | 66 |
| 1909 | 3 | 5 | 3 | 5 | 6 | 6 | 3 | 4 | 3 | 2 | 5 | 10 | 55 |
| 1910 | 3 | 5 | 3 | 4 | 7 | 7 | 6 | 4 | 4 | 4 | 5 | 8 | 60 |
| 1911 | 0 | 5 | 4 | 11 | 3 | 3 | 12 | 4 | 1 | 3 | 3 | 11 | 60 |
| 1912 | 3 | 4 | 9 | 9 | 6 | 7 | 3 | 5 | 0 | 3 | 4 | 9 | 62 |
| 1913 | 6 | 5 | 6 | 4 | 6 | 4 | 4 | 5 | 0 | 3 | 4 | 9 | 62 |
| 1914 | 3 | 11 | 9 | 6 | 15 | 3 | 5 | 11 | 4 | 2 | 8 | 11 | 88 |
| 1915 | 7 | 7 | 4 | 10 | 3 | 2 | 4 | 10 | 4 | 4 | 6 | 7 | 68 |
| 1916 | 9 | 1 | 1 | 6 | 7 | 7 | 10 | 4 | 5 | 1 | 5 | 5 | 61 |
| 1917 | 8 | 7 | 4 | 7 | 6 | 1 | 8 | 1 | 4 | 1 | 2 | 1 | 50 |
| 1918 | 4 | 5 | 6 | 8 | 3 | 4 | 3 | 6 | 5 | 8 | 9 | 7 | 71 |
| 1919 | 7 | 10 | 7 | 5 | 14 | 17 | 8 | 7 | 6 | 14 | 8 | 6 | 109 |
| 1920 | 14 | 6 | 8 | 6 | 6 | 12 | 11 | 14 | 5 | 7 | 8 | 11 | 108 |
| 1921 | 7 | 7 | 7 | 14 | 3 | 9 | 9 | 5 | 8 | 3 | 4 | 10 | 86 |
| 1922 | 17 | 9 | 12 | 11 | 13 | 9 | 9 | 8 | 5 | 4 | 8 | 10 | 115 |
| 1923 | 8 | 11 | 13 | 14 | 10 | 7 | 5 | 5 | 9 | 5 | 7 | 18 | 112 |
| 1924 | 8 | 10 | 7 | 9 | 10 | 6 | 1 | 0 | 5 | 1 | 5 | 9 | 71 |
| 1925 | 9 | 5 | 5 | 2 | 5 | 3 | 7 | 4 | 7 | 14 | 14 | 6 | 81 |
| 1926 | 11 | 3 | 14 | 5 | 8 | 10 | 8 | 8 | 4 | 5 | 6 | 11 | 93 |
| 1927 | 6 | 6 | 10 | 7 | 6 | 11 | 7 | 3 | 5 | 5 | 4 | 6 | 76 |
| 1928 | 2 | 11 | 8 | 11 | 3 | 9 | 9 | 2 | 8 | 7 | 8 | 6 | 84 |
| 1929 | 11 | 13 | 10 | 6 | 14 | 4 | 6 | 2 | 4 | 3 | 11 | 6 | 90 |
| 1930 | 11 | 11 | 7 | 3 | 9 | 2 | 3 | 8 | 10 | 7 | 7 | 9 | 87 |