| Year | Count |
|---|---|
| 1994 | 8 |
| 1996 | 9 |
| 1997 | 9 |
| 1998 | 14 |
| 1999 | 18 |
| 2000 | 23 |
| 2001 | 35 |
| 2002 | 41 |
| 2003 | 56 |
| 2004 | 50 |
| 2005 | 54 |
| 2006 | 58 |
| 2007 | 64 |
| 2008 | 62 |
| 2009 | 73 |
| 2010 | 46 |
| 2011 | 49 |
| 2012 | 54 |
| 2013 | 66 |
| 2014 | 79 |
| 2015 | 90 |
| 2016 | 249 |
| 2017 | 201 |
| 2018 | 222 |
| 2019 | 108 |
| 2020 | 136 |
| 2021 | 104 |
| 2022 | 164 |
| 2023 | 108 |
| 2024 | 122 |