| Year | Count |
|---|---|
| 1940 | 11 |
| 1941 | 9 |
| 1942 | 5 |
| 2001 | 10 |
| 2002 | 5 |
| 2003 | 5 |
| 2004 | 6 |
| 2005 | 25 |
| 2006 | 13 |
| 2007 | 31 |
| 2008 | 70 |
| 2009 | 61 |
| 2010 | 142 |
| 2011 | 153 |
| 2012 | 105 |
| 2013 | 215 |
| 2014 | 554 |
| 2015 | 893 |
| 2016 | 1,236 |
| 2017 | 1,282 |
| 2018 | 1,318 |
| 2019 | 1,793 |
| 2020 | 1,826 |
| 2021 | 2,200 |
| 2022 | 2,749 |
| 2023 | 2,588 |
| 2024 | 2,272 |