| Year | Count |
|---|---|
| 1998 | 6 |
| 2000 | 5 |
| 2000 | 6 |
| 2001 | 6 |
| 2002 | 9 |
| 2003 | 7 |
| 2004 | 11 |
| 2004 | 7 |
| 2005 | 13 |
| 2006 | 9 |
| 2006 | 8 |
| 2007 | 11 |
| 2007 | 7 |
| 2008 | 15 |
| 2008 | 5 |
| 2009 | 13 |
| 2010 | 11 |
| 2010 | 8 |
| 2011 | 11 |
| 2011 | 10 |
| 2012 | 9 |
| 2012 | 7 |
| 2013 | 13 |
| 2013 | 13 |
| 2014 | 7 |
| 2014 | 13 |
| 2015 | 45 |
| 2015 | 15 |
| 2016 | 42 |
| 2016 | 38 |
| 2017 | 69 |
| 2017 | 34 |
| 2018 | 16 |
| 2018 | 10 |
| 2019 | 32 |
| 2019 | 26 |
| 2020 | 22 |
| 2020 | 10 |
| 2021 | 44 |
| 2021 | 14 |
| 2022 | 48 |
| 2022 | 12 |
| 2023 | 38 |
| 2023 | 20 |
| 2024 | 42 |
| 2024 | 29 |