| Year | Count |
|---|---|
| 1993 | 5 |
| 1994 | 10 |
| 1995 | 11 |
| 1997 | 22 |
| 1998 | 20 |
| 2000 | 31 |
| 2001 | 42 |
| 2002 | 34 |
| 2003 | 79 |
| 2004 | 133 |
| 2005 | 108 |
| 2006 | 144 |
| 2007 | 130 |
| 2008 | 115 |
| 2009 | 163 |
| 2010 | 192 |
| 2011 | 190 |
| 2012 | 120 |
| 2013 | 148 |
| 2014 | 134 |
| 2015 | 131 |
| 2016 | 157 |
| 2017 | 184 |
| 2018 | 109 |
| 2019 | 103 |
| 2020 | 138 |
| 2021 | 56 |
| 2022 | 108 |
| 2023 | 102 |
| 2024 | 100 |