| Year | Count |
|---|---|
| 1998 | 24 |
| 1999 | 85 |
| 2000 | 98 |
| 2001 | 147 |
| 2002 | 99 |
| 2003 | 121 |
| 2004 | 225 |
| 2005 | 216 |
| 2006 | 228 |
| 2007 | 192 |
| 2008 | 308 |
| 2008 | 5 |
| 2009 | 357 |
| 2009 | 17 |
| 2010 | 379 |
| 2010 | 34 |
| 2011 | 512 |
| 2011 | 52 |
| 2012 | 461 |
| 2012 | 54 |
| 2013 | 337 |
| 2013 | 76 |
| 2014 | 493 |
| 2014 | 93 |
| 2015 | 562 |
| 2015 | 160 |
| 2016 | 512 |
| 2016 | 111 |
| 2017 | 671 |
| 2017 | 201 |
| 2018 | 608 |
| 2018 | 261 |
| 2019 | 571 |
| 2019 | 186 |
| 2020 | 492 |
| 2020 | 412 |
| 2021 | 514 |
| 2021 | 310 |
| 2022 | 572 |
| 2022 | 222 |
| 2023 | 509 |
| 2023 | 230 |
| 2024 | 441 |
| 2024 | 127 |