| Year | Count |
|---|---|
| 1998 | 5 |
| 1999 | 5 |
| 2000 | 6 |
| 2001 | 10 |
| 2002 | 5 |
| 2002 | 23 |
| 2003 | 16 |
| 2003 | 26 |
| 2004 | 73 |
| 2004 | 22 |
| 2005 | 94 |
| 2005 | 34 |
| 2006 | 122 |
| 2006 | 56 |
| 2007 | 157 |
| 2007 | 58 |
| 2008 | 170 |
| 2008 | 66 |
| 2009 | 184 |
| 2009 | 59 |
| 2010 | 230 |
| 2010 | 13 |
| 2011 | 359 |
| 2011 | 68 |
| 2012 | 860 |
| 2012 | 27 |
| 2013 | 1,193 |
| 2013 | 36 |
| 2014 | 1,631 |
| 2014 | 9 |
| 2015 | 1,834 |
| 2015 | 26 |
| 2016 | 2,362 |
| 2016 | 17 |
| 2017 | 2,555 |
| 2017 | 6 |
| 2018 | 2,944 |
| 2019 | 3,346 |
| 2019 | 5 |
| 2020 | 2,507 |
| 2021 | 2,635 |
| 2022 | 2,772 |
| 2022 | 15 |
| 2023 | 2,415 |
| 2023 | 10 |
| 2024 | 2,106 |
| 2024 | 10 |