| Year | Count |
|---|---|
| 1915 | 6 |
| 1923 | 14 |
| 1926 | 5 |
| 1927 | 10 |
| 1928 | 5 |
| 1929 | 12 |
| 1934 | 5 |
| 1944 | 5 |
| 1977 | 5 |
| 1981 | 6 |
| 1983 | 5 |
| 1984 | 5 |
| 1988 | 5 |
| 1992 | 9 |
| 1997 | 5 |
| 2001 | 16 |
| 2002 | 6 |
| 2003 | 14 |
| 2004 | 37 |
| 2005 | 38 |
| 2006 | 69 |
| 2007 | 76 |
| 2008 | 92 |
| 2009 | 46 |
| 2010 | 77 |
| 2011 | 113 |
| 2012 | 99 |
| 2013 | 58 |
| 2014 | 106 |
| 2015 | 132 |
| 2016 | 115 |
| 2017 | 130 |
| 2018 | 143 |
| 2019 | 95 |
| 2020 | 100 |
| 2021 | 93 |
| 2022 | 112 |
| 2023 | 155 |
| 2024 | 132 |