| Year | Count |
|---|---|
| 1912 | 12 |
| 1913 | 18 |
| 1914 | 27 |
| 1915 | 10 |
| 1916 | 30 |
| 1917 | 12 |
| 1918 | 27 |
| 1919 | 7 |
| 1920 | 11 |
| 1921 | 31 |
| 1922 | 6 |
| 1923 | 6 |
| 1924 | 29 |
| 1925 | 6 |
| 1926 | 6 |
| 1927 | 14 |
| 1929 | 10 |
| 1932 | 5 |
| 1959 | 16 |
| 1960 | 16 |
| 1961 | 5 |
| 1963 | 10 |
| 1964 | 9 |
| 1965 | 11 |
| 1966 | 8 |
| 1967 | 16 |
| 1968 | 10 |
| 1969 | 14 |
| 1970 | 26 |
| 1971 | 16 |
| 1972 | 12 |
| 1973 | 19 |
| 1974 | 6 |
| 1975 | 20 |
| 1976 | 22 |
| 1977 | 26 |
| 1978 | 34 |
| 1979 | 22 |
| 1981 | 10 |
| 1982 | 5 |
| 1983 | 12 |
| 1984 | 98 |
| 1985 | 54 |
| 1986 | 45 |
| 1987 | 44 |
| 1988 | 32 |
| 1989 | 17 |
| 1990 | 9 |
| 1991 | 20 |
| 1992 | 31 |
| 1993 | 7 |
| 1994 | 6 |
| 1995 | 7 |
| 1996 | 13 |
| 1997 | 11 |
| 1998 | 6 |
| 2011 | 5 |
| 2012 | 5 |
| 2021 | 5 |