| Year | Count |
|---|---|
| 1998 | 5 |
| 2003 | 6 |
| 2005 | 7 |
| 2006 | 10 |
| 2007 | 10 |
| 2007 | 9 |
| 2008 | 13 |
| 2008 | 5 |
| 2009 | 17 |
| 2009 | 9 |
| 2010 | 14 |
| 2011 | 28 |
| 2011 | 9 |
| 2012 | 53 |
| 2012 | 8 |
| 2013 | 82 |
| 2013 | 8 |
| 2014 | 115 |
| 2014 | 9 |
| 2015 | 111 |
| 2016 | 450 |
| 2017 | 417 |
| 2018 | 519 |
| 2019 | 436 |
| 2019 | 5 |
| 2020 | 348 |
| 2021 | 350 |
| 2022 | 364 |
| 2022 | 9 |
| 2023 | 286 |
| 2024 | 262 |