| Year | Count |
|---|---|
| 1915 | 10 |
| 1917 | 6 |
| 1919 | 9 |
| 1923 | 10 |
| 1924 | 14 |
| 1925 | 18 |
| 1926 | 12 |
| 1927 | 16 |
| 1928 | 12 |
| 1929 | 12 |
| 1930 | 16 |
| 1931 | 8 |
| 1934 | 7 |
| 1936 | 6 |
| 1940 | 5 |
| 1941 | 6 |
| 1944 | 5 |
| 1945 | 5 |
| 1947 | 5 |
| 1949 | 7 |
| 1950 | 6 |
| 1951 | 10 |
| 1952 | 5 |
| 1953 | 5 |
| 1954 | 7 |
| 1955 | 6 |
| 1959 | 20 |
| 1961 | 28 |
| 1962 | 10 |
| 1963 | 7 |
| 1964 | 9 |
| 1966 | 10 |
| 1967 | 10 |
| 1968 | 7 |
| 1969 | 9 |
| 1972 | 10 |
| 1974 | 6 |
| 1978 | 10 |
| 1979 | 10 |
| 1990 | 5 |
| 2022 | 12 |