| Year | Count |
|---|---|
| 1965 | 6 |
| 1969 | 5 |
| 1970 | 14 |
| 1971 | 10 |
| 1972 | 25 |
| 1973 | 40 |
| 1974 | 41 |
| 1975 | 49 |
| 1976 | 46 |
| 1977 | 67 |
| 1978 | 59 |
| 1979 | 68 |
| 1979 | 20 |
| 1980 | 41 |
| 1981 | 42 |
| 1982 | 48 |
| 1983 | 7 |
| 1984 | 36 |
| 1985 | 48 |
| 1985 | 5 |
| 1986 | 64 |
| 1987 | 42 |
| 1988 | 28 |
| 1989 | 79 |
| 1990 | 87 |
| 1990 | 16 |
| 1991 | 49 |
| 1992 | 62 |
| 1993 | 55 |
| 1994 | 6 |
| 1995 | 26 |
| 1996 | 23 |
| 1997 | 19 |
| 2015 | 5 |
| 2020 | 20 |
| 2024 | 7 |