| Year | Count |
|---|---|
| 1995 | 5 |
| 1996 | 15 |
| 1997 | 37 |
| 1998 | 6 |
| 1999 | 37 |
| 2000 | 33 |
| 2001 | 63 |
| 2002 | 78 |
| 2003 | 135 |
| 2004 | 225 |
| 2005 | 242 |
| 2006 | 254 |
| 2007 | 230 |
| 2008 | 263 |
| 2009 | 260 |
| 2010 | 296 |
| 2011 | 305 |
| 2012 | 392 |
| 2013 | 368 |
| 2014 | 389 |
| 2015 | 476 |
| 2016 | 364 |
| 2017 | 410 |
| 2018 | 319 |
| 2019 | 378 |
| 2020 | 368 |
| 2021 | 369 |
| 2022 | 290 |
| 2023 | 198 |
| 2024 | 186 |