| Year | Count |
|---|---|
| 1981 | 6 |
| 1986 | 5 |
| 2003 | 5 |
| 2004 | 5 |
| 2005 | 6 |
| 2007 | 6 |
| 2008 | 5 |
| 2009 | 14 |
| 2010 | 11 |
| 2011 | 12 |
| 2012 | 14 |
| 2013 | 7 |
| 2013 | 7 |
| 2014 | 10 |
| 2014 | 15 |
| 2015 | 39 |
| 2015 | 13 |
| 2016 | 63 |
| 2016 | 36 |
| 2017 | 69 |
| 2017 | 26 |
| 2018 | 30 |
| 2018 | 26 |
| 2019 | 32 |
| 2019 | 36 |
| 2020 | 54 |
| 2020 | 12 |
| 2021 | 92 |
| 2021 | 15 |
| 2022 | 78 |
| 2022 | 13 |
| 2023 | 86 |
| 2023 | 11 |
| 2024 | 86 |
| 2024 | 11 |