| Year | Count |
|---|---|
| 1912 | 8 |
| 1914 | 8 |
| 1916 | 11 |
| 1917 | 6 |
| 1918 | 7 |
| 1919 | 8 |
| 1921 | 8 |
| 1922 | 6 |
| 1923 | 5 |
| 1924 | 8 |
| 1925 | 8 |
| 1926 | 9 |
| 1927 | 10 |
| 1928 | 11 |
| 1929 | 8 |
| 1930 | 16 |
| 1931 | 9 |
| 1932 | 6 |
| 1935 | 7 |
| 1945 | 5 |
| 1949 | 6 |
| 1951 | 7 |
| 1952 | 6 |
| 1953 | 7 |
| 1954 | 6 |
| 1957 | 6 |
| 1958 | 5 |
| 1960 | 5 |
| 1961 | 7 |
| 1963 | 6 |
| 1965 | 6 |
| 1966 | 6 |
| 1967 | 5 |
| 1968 | 10 |
| 1969 | 12 |
| 1970 | 11 |
| 1971 | 8 |
| 1972 | 8 |
| 1973 | 5 |
| 1974 | 11 |
| 1976 | 10 |
| 1978 | 10 |
| 1980 | 5 |
| 1981 | 5 |
| 1985 | 6 |
| 1986 | 5 |
| 1989 | 9 |
| 1991 | 8 |
| 2001 | 5 |
| 2015 | 10 |
| 2016 | 12 |
| 2022 | 6 |