| Year | Count |
|---|---|
| 1995 | 9 |
| 1996 | 11 |
| 1997 | 11 |
| 1998 | 12 |
| 1999 | 16 |
| 2000 | 15 |
| 2001 | 19 |
| 2002 | 44 |
| 2003 | 51 |
| 2004 | 80 |
| 2005 | 72 |
| 2006 | 78 |
| 2007 | 67 |
| 2008 | 80 |
| 2009 | 62 |
| 2010 | 92 |
| 2011 | 92 |
| 2012 | 93 |
| 2013 | 104 |
| 2014 | 81 |
| 2015 | 85 |
| 2016 | 216 |
| 2017 | 195 |
| 2018 | 222 |
| 2019 | 184 |
| 2020 | 178 |
| 2021 | 140 |
| 2022 | 160 |
| 2023 | 146 |
| 2024 | 194 |