| Year | Count |
|---|---|
| 1995 | 6 |
| 1996 | 25 |
| 1996 | 5 |
| 1997 | 29 |
| 1997 | 12 |
| 1998 | 39 |
| 1998 | 5 |
| 1999 | 49 |
| 1999 | 16 |
| 2000 | 66 |
| 2000 | 23 |
| 2001 | 86 |
| 2001 | 24 |
| 2002 | 138 |
| 2002 | 9 |
| 2003 | 86 |
| 2003 | 7 |
| 2004 | 268 |
| 2004 | 27 |
| 2005 | 253 |
| 2005 | 51 |
| 2006 | 330 |
| 2006 | 54 |
| 2007 | 352 |
| 2007 | 43 |
| 2008 | 418 |
| 2008 | 73 |
| 2009 | 526 |
| 2009 | 28 |
| 2010 | 515 |
| 2010 | 57 |
| 2011 | 522 |
| 2011 | 51 |
| 2012 | 499 |
| 2012 | 20 |
| 2013 | 379 |
| 2013 | 18 |
| 2014 | 287 |
| 2014 | 6 |
| 2015 | 347 |
| 2016 | 274 |
| 2017 | 232 |
| 2018 | 170 |
| 2019 | 102 |
| 2019 | 5 |
| 2020 | 127 |
| 2021 | 104 |
| 2022 | 93 |
| 2023 | 82 |
| 2024 | 54 |