| Year | Count |
|---|---|
| 1985 | 18 |
| 1986 | 69 |
| 1987 | 59 |
| 1988 | 48 |
| 1989 | 56 |
| 1990 | 56 |
| 1991 | 72 |
| 1992 | 56 |
| 1993 | 48 |
| 1994 | 43 |
| 1995 | 66 |
| 1996 | 38 |
| 1997 | 38 |
| 1998 | 48 |
| 1999 | 55 |
| 2000 | 47 |
| 2001 | 56 |
| 2002 | 67 |
| 2003 | 56 |
| 2004 | 55 |
| 2005 | 56 |
| 2006 | 48 |
| 2007 | 87 |
| 2008 | 68 |
| 2009 | 70 |
| 2010 | 70 |
| 2011 | 66 |
| 2012 | 64 |
| 2013 | 60 |
| 2014 | 51 |
| 2015 | 51 |
| 2016 | 144 |
| 2017 | 126 |
| 2018 | 41 |
| 2019 | 64 |
| 2020 | 94 |
| 2021 | 90 |
| 2022 | 68 |
| 2023 | 70 |
| 2024 | 44 |