| Year | Count |
|---|---|
| 1997 | 6 |
| 1999 | 7 |
| 2000 | 7 |
| 2001 | 6 |
| 2002 | 10 |
| 2003 | 16 |
| 2004 | 5 |
| 2004 | 11 |
| 2005 | 12 |
| 2005 | 7 |
| 2006 | 6 |
| 2006 | 39 |
| 2007 | 5 |
| 2007 | 77 |
| 2008 | 7 |
| 2008 | 77 |
| 2009 | 6 |
| 2009 | 75 |
| 2010 | 7 |
| 2010 | 119 |
| 2011 | 130 |
| 2012 | 11 |
| 2012 | 72 |
| 2013 | 155 |
| 2014 | 6 |
| 2014 | 161 |
| 2015 | 9 |
| 2015 | 174 |
| 2016 | 10 |
| 2016 | 193 |
| 2017 | 31 |
| 2017 | 251 |
| 2018 | 5 |
| 2018 | 169 |
| 2019 | 6 |
| 2019 | 211 |
| 2020 | 11 |
| 2020 | 164 |
| 2021 | 21 |
| 2021 | 246 |
| 2022 | 6 |
| 2022 | 257 |
| 2023 | 8 |
| 2023 | 262 |
| 2024 | 17 |
| 2024 | 243 |