| Year | Count |
|---|---|
| 1994 | 18 |
| 1995 | 13 |
| 1996 | 18 |
| 1997 | 20 |
| 1998 | 50 |
| 1999 | 42 |
| 2000 | 74 |
| 2001 | 106 |
| 2002 | 95 |
| 2003 | 160 |
| 2004 | 136 |
| 2005 | 249 |
| 2006 | 271 |
| 2007 | 310 |
| 2008 | 416 |
| 2009 | 412 |
| 2010 | 444 |
| 2011 | 488 |
| 2012 | 632 |
| 2013 | 610 |
| 2014 | 579 |
| 2015 | 655 |
| 2016 | 759 |
| 2017 | 633 |
| 2018 | 604 |
| 2019 | 724 |
| 2020 | 549 |
| 2021 | 774 |
| 2022 | 502 |
| 2023 | 477 |
| 2024 | 358 |