| Year | Count |
|---|---|
| 1919 | 5 |
| 1927 | 5 |
| 1932 | 6 |
| 1935 | 5 |
| 1950 | 5 |
| 1996 | 9 |
| 1998 | 22 |
| 1999 | 15 |
| 2000 | 5 |
| 2001 | 27 |
| 2002 | 15 |
| 2003 | 20 |
| 2004 | 57 |
| 2005 | 78 |
| 2006 | 111 |
| 2007 | 158 |
| 2008 | 162 |
| 2009 | 154 |
| 2010 | 129 |
| 2011 | 214 |
| 2012 | 172 |
| 2013 | 137 |
| 2014 | 154 |
| 2015 | 120 |
| 2016 | 163 |
| 2017 | 118 |
| 2018 | 92 |
| 2019 | 104 |
| 2020 | 97 |
| 2021 | 81 |
| 2022 | 117 |
| 2023 | 149 |
| 2024 | 103 |