| Year | Count |
|---|---|
| 1992 | 17 |
| 1994 | 10 |
| 1995 | 17 |
| 1996 | 25 |
| 1998 | 27 |
| 1999 | 33 |
| 2000 | 43 |
| 2001 | 48 |
| 2002 | 35 |
| 2003 | 47 |
| 2004 | 52 |
| 2005 | 37 |
| 2006 | 34 |
| 2007 | 58 |
| 2008 | 24 |
| 2009 | 36 |
| 2010 | 30 |
| 2011 | 26 |
| 2012 | 16 |
| 2013 | 55 |
| 2014 | 63 |
| 2015 | 33 |
| 2016 | 41 |
| 2017 | 32 |
| 2018 | 29 |
| 2019 | 41 |
| 2020 | 25 |
| 2021 | 27 |
| 2022 | 43 |
| 2023 | 66 |
| 2024 | 61 |