| Year | Count |
|---|---|
| 1914 | 5 |
| 1915 | 5 |
| 1916 | 12 |
| 1917 | 5 |
| 1918 | 6 |
| 1919 | 5 |
| 1920 | 5 |
| 1921 | 8 |
| 1922 | 6 |
| 1923 | 10 |
| 1924 | 9 |
| 1925 | 8 |
| 1927 | 15 |
| 1928 | 7 |
| 1929 | 11 |
| 1930 | 21 |
| 1931 | 9 |
| 1939 | 8 |
| 1940 | 10 |
| 1941 | 7 |
| 1942 | 5 |
| 1944 | 10 |
| 1945 | 6 |
| 1946 | 9 |
| 1947 | 15 |
| 1959 | 12 |
| 1960 | 16 |
| 1963 | 12 |
| 1970 | 6 |
| 1971 | 5 |
| 1972 | 5 |
| 1974 | 9 |
| 1976 | 5 |
| 1977 | 7 |
| 1979 | 5 |
| 1980 | 8 |
| 1981 | 5 |
| 1982 | 5 |
| 1984 | 5 |
| 1987 | 5 |
| 1988 | 7 |
| 1989 | 5 |
| 1991 | 7 |
| 1993 | 9 |
| 1996 | 10 |
| 1998 | 6 |
| 2006 | 5 |
| 2011 | 14 |
| 2021 | 9 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 10 |