| Year | Count |
|---|---|
| 1913 | 10 |
| 1915 | 10 |
| 1916 | 9 |
| 1917 | 5 |
| 1919 | 9 |
| 1921 | 7 |
| 1922 | 8 |
| 1923 | 6 |
| 1924 | 5 |
| 1925 | 5 |
| 1926 | 9 |
| 1928 | 5 |
| 1929 | 6 |
| 1930 | 7 |
| 1931 | 6 |
| 1940 | 6 |
| 1948 | 8 |
| 1953 | 6 |
| 1955 | 8 |
| 1958 | 8 |
| 1959 | 7 |
| 1960 | 7 |
| 1961 | 8 |
| 1962 | 8 |
| 1963 | 10 |
| 1964 | 11 |
| 1965 | 5 |
| 1966 | 9 |
| 1967 | 8 |
| 1968 | 5 |
| 1969 | 5 |
| 1970 | 5 |
| 1972 | 9 |
| 1973 | 7 |
| 1974 | 9 |
| 1975 | 7 |
| 1976 | 6 |
| 1977 | 8 |
| 1979 | 5 |
| 1980 | 5 |
| 1981 | 5 |
| 1982 | 5 |
| 1990 | 7 |
| 1991 | 5 |
| 1995 | 5 |
| 2014 | 6 |
| 2016 | 12 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 6 |
| 2024 | 7 |