| Year | Count |
|---|---|
| 1995 | 6 |
| 1996 | 74 |
| 1997 | 50 |
| 1998 | 74 |
| 1999 | 55 |
| 2000 | 111 |
| 2001 | 84 |
| 2002 | 107 |
| 2003 | 182 |
| 2004 | 199 |
| 2005 | 208 |
| 2006 | 233 |
| 2007 | 273 |
| 2008 | 286 |
| 2009 | 287 |
| 2010 | 241 |
| 2011 | 285 |
| 2012 | 268 |
| 2013 | 272 |
| 2014 | 268 |
| 2015 | 272 |
| 2016 | 233 |
| 2017 | 150 |
| 2018 | 199 |
| 2019 | 142 |
| 2020 | 139 |
| 2021 | 155 |
| 2022 | 111 |
| 2023 | 153 |
| 2024 | 180 |