| Year | Count |
|---|---|
| 1995 | 6 |
| 1996 | 37 |
| 1997 | 23 |
| 1998 | 25 |
| 1999 | 44 |
| 2000 | 38 |
| 2001 | 127 |
| 2002 | 111 |
| 2003 | 80 |
| 2004 | 105 |
| 2005 | 90 |
| 2006 | 77 |
| 2007 | 114 |
| 2008 | 152 |
| 2009 | 173 |
| 2010 | 69 |
| 2011 | 84 |
| 2012 | 106 |
| 2013 | 101 |
| 2014 | 67 |
| 2015 | 75 |
| 2016 | 73 |
| 2017 | 60 |
| 2018 | 57 |
| 2019 | 25 |
| 2020 | 28 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 9 |