| Year | Count |
|---|---|
| 1913 | 10 |
| 1914 | 17 |
| 1918 | 15 |
| 1920 | 7 |
| 1922 | 15 |
| 1923 | 10 |
| 1925 | 5 |
| 1928 | 14 |
| 1929 | 5 |
| 1930 | 5 |
| 1936 | 5 |
| 1996 | 5 |
| 1998 | 30 |
| 2003 | 15 |
| 2004 | 10 |
| 2005 | 15 |
| 2006 | 7 |
| 2007 | 105 |
| 2008 | 490 |
| 2009 | 967 |
| 2010 | 1,114 |
| 2011 | 1,375 |
| 2012 | 1,630 |
| 2013 | 1,958 |
| 2014 | 2,291 |
| 2015 | 2,595 |
| 2016 | 3,018 |
| 2017 | 3,313 |
| 2018 | 3,937 |
| 2019 | 4,510 |
| 2020 | 4,909 |
| 2021 | 6,569 |
| 2022 | 6,424 |
| 2023 | 6,485 |
| 2024 | 6,341 |