| Year | Count |
|---|---|
| 1912 | 35 |
| 1915 | 33 |
| 1916 | 5 |
| 1917 | 20 |
| 1918 | 5 |
| 1919 | 8 |
| 1920 | 18 |
| 1921 | 5 |
| 1922 | 5 |
| 1925 | 31 |
| 1926 | 6 |
| 1928 | 21 |
| 1929 | 5 |
| 1930 | 7 |
| 1932 | 5 |
| 1939 | 5 |
| 1949 | 5 |
| 1958 | 15 |
| 1960 | 8 |
| 1961 | 6 |
| 1964 | 6 |
| 1965 | 23 |
| 1966 | 7 |
| 1967 | 6 |
| 1968 | 6 |
| 1970 | 26 |
| 1971 | 25 |
| 1972 | 21 |
| 1973 | 19 |
| 1974 | 5 |
| 1975 | 11 |
| 1977 | 5 |
| 1979 | 6 |
| 1980 | 5 |
| 1981 | 5 |
| 1985 | 5 |
| 1986 | 12 |
| 1987 | 5 |
| 1990 | 5 |