| Year | Count |
|---|---|
| 1992 | 5 |
| 1994 | 10 |
| 1997 | 16 |
| 1998 | 6 |
| 1999 | 5 |
| 2000 | 5 |
| 2001 | 5 |
| 2002 | 5 |
| 2003 | 76 |
| 2004 | 134 |
| 2005 | 131 |
| 2006 | 104 |
| 2007 | 138 |
| 2008 | 157 |
| 2009 | 94 |
| 2010 | 103 |
| 2011 | 75 |
| 2012 | 88 |
| 2013 | 102 |
| 2014 | 84 |
| 2015 | 103 |
| 2016 | 101 |
| 2017 | 81 |
| 2018 | 72 |
| 2019 | 101 |
| 2020 | 117 |
| 2021 | 95 |
| 2022 | 125 |
| 2023 | 93 |
| 2024 | 108 |