| Year | Count |
|---|---|
| 1910 | 10 |
| 1911 | 7 |
| 1912 | 22 |
| 1913 | 16 |
| 1914 | 32 |
| 1915 | 49 |
| 1916 | 75 |
| 1917 | 57 |
| 1918 | 63 |
| 1919 | 54 |
| 1920 | 63 |
| 1921 | 18 |
| 1922 | 28 |
| 1923 | 36 |
| 1924 | 32 |
| 1926 | 14 |
| 1927 | 17 |
| 1928 | 22 |
| 1970 | 25 |
| 1971 | 5 |
| 1972 | 28 |
| 1973 | 6 |
| 1974 | 12 |
| 1975 | 6 |
| 1982 | 6 |
| 1985 | 7 |
| 1986 | 11 |
| 1987 | 20 |
| 1988 | 21 |
| 1989 | 10 |
| 1991 | 10 |
| 1992 | 24 |
| 1993 | 6 |
| 1995 | 5 |
| 1996 | 34 |
| 1997 | 12 |
| 1998 | 10 |
| 1999 | 22 |
| 2000 | 12 |
| 2001 | 12 |
| 2002 | 11 |
| 2003 | 15 |
| 2004 | 27 |
| 2005 | 35 |
| 2007 | 33 |
| 2010 | 33 |
| 2011 | 12 |
| 2012 | 30 |
| 2015 | 19 |
| 2016 | 12 |
| 2018 | 5 |
| 2019 | 12 |
| 2022 | 14 |
| 2023 | 10 |