| Year | Count |
|---|---|
| 2003 | 10 |
| 2003 | 35 |
| 2004 | 10 |
| 2004 | 53 |
| 2005 | 18 |
| 2005 | 76 |
| 2006 | 15 |
| 2006 | 155 |
| 2007 | 20 |
| 2007 | 225 |
| 2008 | 16 |
| 2008 | 337 |
| 2009 | 315 |
| 2010 | 6 |
| 2010 | 331 |
| 2011 | 343 |
| 2012 | 275 |
| 2013 | 192 |
| 2014 | 222 |
| 2015 | 171 |
| 2016 | 178 |
| 2017 | 180 |
| 2018 | 106 |
| 2019 | 55 |
| 2020 | 89 |
| 2021 | 88 |
| 2022 | 34 |
| 2023 | 10 |
| 2024 | 8 |