| Year | Count |
|---|---|
| 1994 | 8 |
| 1995 | 7 |
| 1996 | 8 |
| 1997 | 7 |
| 1998 | 6 |
| 1999 | 14 |
| 2000 | 10 |
| 2001 | 27 |
| 2002 | 23 |
| 2003 | 36 |
| 2004 | 41 |
| 2005 | 80 |
| 2006 | 56 |
| 2007 | 127 |
| 2008 | 121 |
| 2009 | 83 |
| 2010 | 81 |
| 2011 | 53 |
| 2012 | 71 |
| 2013 | 84 |
| 2014 | 117 |
| 2015 | 103 |
| 2016 | 125 |
| 2017 | 137 |
| 2018 | 112 |
| 2019 | 82 |
| 2020 | 54 |
| 2021 | 82 |
| 2022 | 71 |
| 2023 | 68 |
| 2024 | 75 |