| Year | Count |
|---|---|
| 1916 | 5 |
| 1918 | 12 |
| 1922 | 10 |
| 1990 | 5 |
| 2000 | 6 |
| 2001 | 22 |
| 2002 | 32 |
| 2003 | 75 |
| 2004 | 78 |
| 2005 | 163 |
| 2006 | 274 |
| 2007 | 405 |
| 2008 | 616 |
| 2009 | 895 |
| 2010 | 932 |
| 2011 | 1,345 |
| 2012 | 1,618 |
| 2013 | 1,683 |
| 2014 | 1,807 |
| 2015 | 1,937 |
| 2016 | 2,079 |
| 2017 | 1,827 |
| 2018 | 1,562 |
| 2019 | 1,422 |
| 2020 | 1,287 |
| 2021 | 1,368 |
| 2022 | 1,238 |
| 2023 | 1,132 |
| 2024 | 1,031 |