| Year | Count |
|---|---|
| 1996 | 5 |
| 1997 | 5 |
| 1998 | 39 |
| 1999 | 53 |
| 2000 | 135 |
| 2001 | 178 |
| 2002 | 141 |
| 2003 | 261 |
| 2004 | 356 |
| 2005 | 425 |
| 2006 | 573 |
| 2007 | 742 |
| 2008 | 927 |
| 2009 | 6 |
| 2009 | 926 |
| 2010 | 1,176 |
| 2011 | 1,160 |
| 2012 | 1,391 |
| 2013 | 1,634 |
| 2014 | 1,830 |
| 2015 | 2,380 |
| 2016 | 2,996 |
| 2017 | 6 |
| 2017 | 3,055 |
| 2018 | 2,954 |
| 2019 | 5 |
| 2019 | 2,801 |
| 2020 | 2,351 |
| 2021 | 2,382 |
| 2022 | 2,470 |
| 2023 | 2,036 |
| 2024 | 1,966 |