| Year | Count |
|---|---|
| 2001 | 5 |
| 2003 | 41 |
| 2004 | 12 |
| 2005 | 5 |
| 2006 | 30 |
| 2006 | 15 |
| 2007 | 31 |
| 2007 | 15 |
| 2008 | 91 |
| 2008 | 84 |
| 2009 | 63 |
| 2009 | 70 |
| 2010 | 120 |
| 2010 | 109 |
| 2011 | 65 |
| 2011 | 174 |
| 2012 | 90 |
| 2012 | 202 |
| 2013 | 48 |
| 2013 | 280 |
| 2014 | 61 |
| 2014 | 266 |
| 2015 | 61 |
| 2015 | 367 |
| 2016 | 52 |
| 2016 | 401 |
| 2017 | 46 |
| 2017 | 282 |
| 2018 | 69 |
| 2018 | 361 |
| 2019 | 40 |
| 2019 | 252 |
| 2020 | 18 |
| 2020 | 220 |
| 2021 | 53 |
| 2021 | 273 |
| 2022 | 26 |
| 2022 | 222 |
| 2023 | 14 |
| 2023 | 130 |
| 2024 | 23 |
| 2024 | 108 |