| Year | Count |
|---|---|
| 1922 | 18 |
| 1934 | 10 |
| 1992 | 5 |
| 2001 | 5 |
| 2003 | 6 |
| 2004 | 12 |
| 2005 | 43 |
| 2006 | 91 |
| 2007 | 95 |
| 2008 | 275 |
| 2009 | 340 |
| 2010 | 411 |
| 2011 | 314 |
| 2012 | 582 |
| 2013 | 895 |
| 2014 | 952 |
| 2015 | 1,165 |
| 2016 | 1,235 |
| 2017 | 1,175 |
| 2018 | 1,357 |
| 2019 | 1,582 |
| 2020 | 1,605 |
| 2021 | 1,871 |
| 2022 | 1,771 |
| 2023 | 1,558 |
| 2024 | 1,316 |