| Year | Count |
|---|---|
| 2002 | 7 |
| 2003 | 25 |
| 2004 | 10 |
| 2004 | 25 |
| 2005 | 14 |
| 2005 | 33 |
| 2006 | 15 |
| 2006 | 50 |
| 2007 | 19 |
| 2007 | 80 |
| 2008 | 27 |
| 2008 | 101 |
| 2009 | 25 |
| 2009 | 131 |
| 2010 | 17 |
| 2010 | 162 |
| 2011 | 20 |
| 2011 | 164 |
| 2012 | 14 |
| 2012 | 222 |
| 2013 | 10 |
| 2013 | 247 |
| 2014 | 13 |
| 2014 | 289 |
| 2015 | 27 |
| 2015 | 268 |
| 2016 | 24 |
| 2016 | 472 |
| 2017 | 18 |
| 2017 | 476 |
| 2018 | 10 |
| 2018 | 516 |
| 2019 | 18 |
| 2019 | 558 |
| 2020 | 242 |
| 2021 | 6 |
| 2021 | 233 |
| 2022 | 10 |
| 2022 | 238 |
| 2023 | 231 |
| 2024 | 207 |