| Year | Count |
|---|---|
| 1996 | 6 |
| 1999 | 27 |
| 2000 | 18 |
| 2001 | 27 |
| 2002 | 30 |
| 2003 | 57 |
| 2004 | 104 |
| 2005 | 112 |
| 2006 | 261 |
| 2007 | 393 |
| 2008 | 733 |
| 2009 | 985 |
| 2010 | 1,294 |
| 2010 | 5 |
| 2011 | 1,981 |
| 2012 | 2,065 |
| 2013 | 2,369 |
| 2014 | 2,448 |
| 2015 | 2,534 |
| 2016 | 2,286 |
| 2017 | 2,110 |
| 2017 | 5 |
| 2018 | 1,949 |
| 2018 | 10 |
| 2019 | 2,036 |
| 2020 | 1,967 |
| 2020 | 12 |
| 2021 | 1,822 |
| 2022 | 1,803 |
| 2023 | 1,529 |
| 2024 | 1,287 |