| Year | Count |
|---|---|
| 1994 | 6 |
| 1996 | 20 |
| 1998 | 34 |
| 1999 | 25 |
| 2000 | 34 |
| 2001 | 68 |
| 2002 | 70 |
| 2003 | 119 |
| 2004 | 105 |
| 2005 | 127 |
| 2006 | 129 |
| 2007 | 127 |
| 2008 | 138 |
| 2009 | 94 |
| 2010 | 127 |
| 2011 | 119 |
| 2012 | 89 |
| 2013 | 66 |
| 2014 | 60 |
| 2015 | 118 |
| 2016 | 82 |
| 2017 | 67 |
| 2018 | 63 |
| 2019 | 37 |
| 2020 | 65 |
| 2021 | 25 |
| 2022 | 52 |
| 2023 | 67 |
| 2024 | 48 |