| Year | Count |
|---|---|
| 1911 | 6 |
| 1915 | 5 |
| 1916 | 7 |
| 1917 | 5 |
| 1919 | 5 |
| 1921 | 10 |
| 1924 | 6 |
| 1926 | 10 |
| 1927 | 5 |
| 1935 | 5 |
| 1941 | 5 |
| 1976 | 6 |
| 1981 | 6 |
| 1982 | 5 |
| 1983 | 6 |
| 1984 | 16 |
| 1985 | 24 |
| 1987 | 12 |
| 1988 | 5 |
| 1989 | 10 |
| 1990 | 5 |
| 1991 | 5 |
| 1992 | 5 |
| 1994 | 7 |
| 1995 | 10 |
| 1996 | 8 |
| 1998 | 15 |
| 1999 | 19 |
| 2000 | 6 |
| 2001 | 10 |
| 2002 | 10 |
| 2005 | 12 |
| 2008 | 5 |
| 2023 | 10 |