| Year | Count |
|---|---|
| 1999 | 9 |
| 2001 | 14 |
| 2002 | 6 |
| 2003 | 14 |
| 2003 | 140 |
| 2004 | 10 |
| 2004 | 155 |
| 2005 | 10 |
| 2005 | 361 |
| 2006 | 6 |
| 2006 | 502 |
| 2007 | 653 |
| 2008 | 926 |
| 2009 | 20 |
| 2009 | 918 |
| 2010 | 10 |
| 2010 | 928 |
| 2011 | 21 |
| 2011 | 921 |
| 2012 | 5 |
| 2012 | 1,030 |
| 2013 | 840 |
| 2014 | 22 |
| 2014 | 845 |
| 2015 | 19 |
| 2015 | 938 |
| 2016 | 21 |
| 2016 | 781 |
| 2017 | 42 |
| 2017 | 715 |
| 2018 | 34 |
| 2018 | 719 |
| 2019 | 19 |
| 2019 | 646 |
| 2020 | 66 |
| 2020 | 468 |
| 2021 | 49 |
| 2021 | 493 |
| 2022 | 27 |
| 2022 | 321 |
| 2023 | 13 |
| 2023 | 235 |
| 2024 | 6 |
| 2024 | 220 |