| Year | Count |
|---|---|
| 1910 | 19 |
| 1911 | 10 |
| 1912 | 16 |
| 1913 | 37 |
| 1914 | 33 |
| 1915 | 72 |
| 1916 | 57 |
| 1917 | 62 |
| 1918 | 71 |
| 1919 | 38 |
| 1920 | 58 |
| 1921 | 61 |
| 1922 | 83 |
| 1923 | 47 |
| 1924 | 47 |
| 1925 | 73 |
| 1926 | 55 |
| 1927 | 49 |
| 1928 | 54 |
| 1929 | 37 |
| 1930 | 66 |
| 1931 | 10 |
| 1932 | 23 |
| 1933 | 16 |
| 1934 | 6 |
| 1936 | 13 |
| 1939 | 7 |
| 1941 | 5 |
| 1942 | 12 |
| 1943 | 6 |
| 1947 | 7 |
| 1948 | 5 |
| 1949 | 5 |
| 1950 | 6 |
| 1953 | 5 |