| Year | Count |
|---|---|
| 1995 | 10 |
| 1996 | 21 |
| 1997 | 22 |
| 1998 | 54 |
| 1999 | 80 |
| 2000 | 125 |
| 2001 | 179 |
| 2002 | 178 |
| 2003 | 269 |
| 2004 | 414 |
| 2005 | 541 |
| 2006 | 479 |
| 2006 | 5 |
| 2007 | 652 |
| 2007 | 7 |
| 2008 | 665 |
| 2008 | 5 |
| 2009 | 600 |
| 2010 | 599 |
| 2010 | 5 |
| 2011 | 548 |
| 2012 | 530 |
| 2013 | 384 |
| 2014 | 357 |
| 2015 | 377 |
| 2016 | 296 |
| 2017 | 238 |
| 2018 | 187 |
| 2019 | 129 |
| 2020 | 122 |
| 2021 | 79 |
| 2022 | 92 |
| 2023 | 31 |
| 2024 | 26 |