| Year | Count |
|---|---|
| 2003 | 5 |
| 2004 | 7 |
| 2004 | 8 |
| 2005 | 10 |
| 2005 | 7 |
| 2006 | 9 |
| 2006 | 8 |
| 2007 | 10 |
| 2007 | 8 |
| 2008 | 12 |
| 2008 | 12 |
| 2009 | 19 |
| 2009 | 9 |
| 2010 | 12 |
| 2010 | 13 |
| 2011 | 25 |
| 2011 | 12 |
| 2012 | 30 |
| 2012 | 19 |
| 2013 | 15 |
| 2013 | 17 |
| 2014 | 40 |
| 2014 | 38 |
| 2015 | 43 |
| 2015 | 40 |
| 2016 | 156 |
| 2016 | 90 |
| 2017 | 132 |
| 2017 | 132 |
| 2018 | 47 |
| 2018 | 122 |
| 2019 | 94 |
| 2019 | 106 |
| 2020 | 74 |
| 2020 | 59 |
| 2021 | 72 |
| 2021 | 77 |
| 2022 | 100 |
| 2022 | 53 |
| 2023 | 50 |
| 2023 | 54 |
| 2024 | 38 |
| 2024 | 56 |