| Year | Count |
|---|---|
| 1993 | 10 |
| 1994 | 15 |
| 1995 | 5 |
| 1996 | 5 |
| 1997 | 22 |
| 1998 | 39 |
| 2000 | 26 |
| 2001 | 28 |
| 2002 | 26 |
| 2003 | 33 |
| 2004 | 74 |
| 2005 | 93 |
| 2006 | 60 |
| 2007 | 98 |
| 2008 | 155 |
| 2009 | 71 |
| 2010 | 86 |
| 2011 | 82 |
| 2012 | 110 |
| 2013 | 55 |
| 2014 | 56 |
| 2015 | 104 |
| 2016 | 90 |
| 2017 | 67 |
| 2018 | 53 |
| 2019 | 54 |
| 2020 | 58 |
| 2021 | 53 |
| 2022 | 101 |
| 2023 | 99 |
| 2024 | 85 |