| Year | Count |
|---|---|
| 1995 | 5 |
| 1997 | 28 |
| 1998 | 14 |
| 1999 | 10 |
| 2000 | 37 |
| 2001 | 37 |
| 2002 | 26 |
| 2003 | 15 |
| 2004 | 78 |
| 2005 | 108 |
| 2005 | 5 |
| 2006 | 100 |
| 2006 | 10 |
| 2007 | 112 |
| 2007 | 10 |
| 2008 | 360 |
| 2008 | 6 |
| 2009 | 322 |
| 2010 | 265 |
| 2010 | 5 |
| 2011 | 244 |
| 2012 | 160 |
| 2013 | 139 |
| 2014 | 65 |
| 2015 | 73 |
| 2016 | 45 |
| 2017 | 15 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 13 |
| 2021 | 6 |