| Year | Count |
|---|---|
| 1994 | 10 |
| 1995 | 25 |
| 1996 | 20 |
| 1997 | 60 |
| 1998 | 64 |
| 1999 | 37 |
| 2000 | 93 |
| 2001 | 243 |
| 2002 | 282 |
| 2003 | 289 |
| 2004 | 427 |
| 2005 | 455 |
| 2006 | 492 |
| 2007 | 521 |
| 2008 | 770 |
| 2009 | 764 |
| 2010 | 767 |
| 2011 | 958 |
| 2012 | 886 |
| 2013 | 734 |
| 2014 | 694 |
| 2015 | 679 |
| 2016 | 649 |
| 2017 | 636 |
| 2018 | 517 |
| 2019 | 659 |
| 2020 | 652 |
| 2021 | 684 |
| 2022 | 622 |
| 2023 | 577 |
| 2024 | 430 |