| Year | Count |
|---|---|
| 1998 | 5 |
| 1999 | 5 |
| 2001 | 23 |
| 2002 | 153 |
| 2002 | 10 |
| 2003 | 637 |
| 2003 | 5 |
| 2004 | 2,089 |
| 2004 | 12 |
| 2005 | 2,254 |
| 2005 | 12 |
| 2006 | 2,066 |
| 2006 | 29 |
| 2007 | 2,178 |
| 2007 | 27 |
| 2008 | 2,012 |
| 2008 | 13 |
| 2009 | 1,657 |
| 2009 | 45 |
| 2010 | 1,545 |
| 2010 | 78 |
| 2011 | 1,438 |
| 2011 | 25 |
| 2012 | 1,311 |
| 2012 | 33 |
| 2013 | 1,178 |
| 2013 | 32 |
| 2014 | 1,074 |
| 2014 | 32 |
| 2015 | 1,065 |
| 2015 | 45 |
| 2016 | 1,035 |
| 2016 | 33 |
| 2017 | 842 |
| 2017 | 70 |
| 2018 | 635 |
| 2018 | 37 |
| 2019 | 575 |
| 2019 | 85 |
| 2020 | 433 |
| 2020 | 48 |
| 2021 | 388 |
| 2021 | 52 |
| 2022 | 321 |
| 2022 | 39 |
| 2023 | 272 |
| 2023 | 72 |
| 2024 | 260 |
| 2024 | 49 |