| Year | Count |
|---|---|
| 1986 | 7 |
| 1993 | 5 |
| 1994 | 5 |
| 1996 | 9 |
| 1998 | 5 |
| 1999 | 8 |
| 1999 | 5 |
| 2000 | 7 |
| 2001 | 12 |
| 2002 | 14 |
| 2002 | 5 |
| 2003 | 19 |
| 2004 | 22 |
| 2004 | 8 |
| 2005 | 30 |
| 2005 | 5 |
| 2006 | 27 |
| 2006 | 7 |
| 2007 | 34 |
| 2007 | 8 |
| 2008 | 40 |
| 2008 | 14 |
| 2009 | 58 |
| 2009 | 13 |
| 2010 | 63 |
| 2010 | 13 |
| 2011 | 73 |
| 2011 | 7 |
| 2012 | 60 |
| 2012 | 11 |
| 2013 | 68 |
| 2013 | 5 |
| 2014 | 56 |
| 2014 | 9 |
| 2015 | 51 |
| 2015 | 10 |
| 2016 | 294 |
| 2017 | 273 |
| 2017 | 16 |
| 2018 | 243 |
| 2018 | 14 |
| 2019 | 152 |
| 2020 | 164 |
| 2021 | 132 |
| 2022 | 74 |
| 2023 | 78 |
| 2024 | 86 |