| Year | Count |
|---|---|
| 1993 | 7 |
| 1994 | 7 |
| 1995 | 7 |
| 1996 | 5 |
| 1997 | 6 |
| 1998 | 23 |
| 1999 | 7 |
| 2000 | 14 |
| 2001 | 22 |
| 2002 | 5 |
| 2003 | 20 |
| 2005 | 28 |
| 2006 | 46 |
| 2007 | 57 |
| 2008 | 115 |
| 2009 | 74 |
| 2010 | 61 |
| 2011 | 30 |
| 2012 | 38 |
| 2013 | 40 |
| 2014 | 25 |
| 2015 | 30 |
| 2016 | 20 |
| 2017 | 5 |
| 2018 | 27 |
| 2019 | 16 |
| 2020 | 32 |
| 2021 | 108 |
| 2022 | 48 |
| 2023 | 57 |
| 2024 | 81 |