| Year | Count |
|---|---|
| 1924 | 10 |
| 1938 | 10 |
| 1956 | 6 |
| 1968 | 6 |
| 1981 | 6 |
| 1986 | 5 |
| 1995 | 5 |
| 2001 | 50 |
| 2002 | 23 |
| 2003 | 27 |
| 2004 | 37 |
| 2005 | 47 |
| 2006 | 46 |
| 2007 | 144 |
| 2008 | 174 |
| 2009 | 10 |
| 2009 | 138 |
| 2010 | 30 |
| 2010 | 163 |
| 2011 | 63 |
| 2011 | 285 |
| 2012 | 107 |
| 2012 | 247 |
| 2013 | 253 |
| 2013 | 281 |
| 2014 | 404 |
| 2014 | 365 |
| 2015 | 747 |
| 2015 | 495 |
| 2016 | 768 |
| 2016 | 511 |
| 2017 | 833 |
| 2017 | 428 |
| 2018 | 797 |
| 2018 | 387 |
| 2019 | 907 |
| 2019 | 332 |
| 2020 | 1,268 |
| 2020 | 344 |
| 2021 | 1,581 |
| 2021 | 483 |
| 2022 | 1,691 |
| 2022 | 388 |
| 2023 | 1,539 |
| 2023 | 341 |
| 2024 | 1,560 |
| 2024 | 301 |