| Year | Count |
|---|---|
| 1996 | 7 |
| 1997 | 16 |
| 1998 | 21 |
| 1999 | 15 |
| 2000 | 32 |
| 2001 | 53 |
| 2002 | 45 |
| 2003 | 47 |
| 2004 | 147 |
| 2005 | 334 |
| 2006 | 146 |
| 2007 | 111 |
| 2008 | 66 |
| 2009 | 65 |
| 2010 | 45 |
| 2011 | 84 |
| 2012 | 64 |
| 2013 | 14 |
| 2014 | 26 |
| 2015 | 55 |
| 2016 | 207 |
| 2017 | 183 |
| 2018 | 160 |
| 2019 | 154 |
| 2020 | 178 |
| 2021 | 216 |
| 2022 | 458 |
| 2023 | 548 |
| 2024 | 740 |