| Year | Count |
|---|---|
| 1996 | 7 |
| 1998 | 6 |
| 1999 | 24 |
| 2000 | 11 |
| 2001 | 37 |
| 2002 | 53 |
| 2003 | 85 |
| 2004 | 155 |
| 2005 | 148 |
| 2006 | 172 |
| 2007 | 245 |
| 2008 | 259 |
| 2009 | 246 |
| 2010 | 215 |
| 2011 | 341 |
| 2012 | 375 |
| 2013 | 268 |
| 2014 | 361 |
| 2015 | 418 |
| 2016 | 586 |
| 2017 | 629 |
| 2018 | 562 |
| 2019 | 619 |
| 2020 | 749 |
| 2021 | 861 |
| 2022 | 1,003 |
| 2023 | 1,100 |
| 2024 | 1,255 |