| Year | Count |
|---|---|
| 1998 | 6 |
| 1999 | 10 |
| 2000 | 10 |
| 2003 | 14 |
| 2003 | 16 |
| 2004 | 18 |
| 2004 | 7 |
| 2005 | 12 |
| 2005 | 25 |
| 2006 | 15 |
| 2006 | 20 |
| 2007 | 12 |
| 2007 | 67 |
| 2008 | 10 |
| 2008 | 135 |
| 2009 | 22 |
| 2009 | 45 |
| 2010 | 11 |
| 2010 | 65 |
| 2011 | 59 |
| 2011 | 124 |
| 2012 | 281 |
| 2012 | 138 |
| 2013 | 313 |
| 2013 | 170 |
| 2014 | 357 |
| 2014 | 216 |
| 2015 | 534 |
| 2015 | 246 |
| 2016 | 496 |
| 2016 | 293 |
| 2017 | 595 |
| 2017 | 336 |
| 2018 | 677 |
| 2018 | 368 |
| 2019 | 908 |
| 2019 | 511 |
| 2020 | 1,072 |
| 2020 | 509 |
| 2021 | 1,529 |
| 2021 | 716 |
| 2022 | 1,794 |
| 2022 | 713 |
| 2023 | 1,897 |
| 2023 | 826 |
| 2024 | 2,007 |
| 2024 | 836 |