| Year | Count |
|---|---|
| 1910 | 54 |
| 1911 | 69 |
| 1912 | 107 |
| 1913 | 112 |
| 1914 | 64 |
| 1915 | 114 |
| 1916 | 108 |
| 1917 | 66 |
| 1918 | 75 |
| 1919 | 66 |
| 1920 | 32 |
| 1921 | 34 |
| 1922 | 38 |
| 1923 | 57 |
| 1924 | 42 |
| 1925 | 31 |
| 1926 | 25 |
| 1927 | 57 |
| 1928 | 15 |
| 1932 | 15 |
| 1938 | 5 |
| 1944 | 5 |
| 1947 | 6 |
| 1952 | 5 |
| 1958 | 14 |
| 1961 | 6 |
| 1963 | 5 |
| 1976 | 10 |
| 1977 | 10 |
| 1978 | 12 |
| 1979 | 5 |
| 1981 | 10 |
| 1985 | 15 |
| 1986 | 6 |