| Year | Count |
|---|---|
| 1998 | 6 |
| 1998 | 7 |
| 1999 | 7 |
| 2000 | 7 |
| 2001 | 7 |
| 2002 | 5 |
| 2005 | 11 |
| 2006 | 12 |
| 2006 | 11 |
| 2007 | 35 |
| 2007 | 16 |
| 2008 | 41 |
| 2008 | 23 |
| 2009 | 25 |
| 2009 | 14 |
| 2010 | 24 |
| 2010 | 18 |
| 2011 | 29 |
| 2011 | 15 |
| 2012 | 28 |
| 2012 | 11 |
| 2013 | 27 |
| 2013 | 18 |
| 2014 | 22 |
| 2014 | 20 |
| 2015 | 22 |
| 2015 | 21 |
| 2016 | 63 |
| 2016 | 48 |
| 2017 | 42 |
| 2017 | 34 |
| 2018 | 28 |
| 2018 | 44 |
| 2019 | 66 |
| 2019 | 62 |
| 2020 | 62 |
| 2020 | 32 |
| 2021 | 80 |
| 2021 | 24 |
| 2022 | 86 |
| 2022 | 33 |
| 2023 | 82 |
| 2023 | 45 |
| 2024 | 108 |
| 2024 | 43 |