| Year | Count |
|---|---|
| 1913 | 6 |
| 1915 | 5 |
| 1916 | 8 |
| 1918 | 8 |
| 1919 | 5 |
| 1920 | 5 |
| 1921 | 7 |
| 1923 | 26 |
| 1926 | 12 |
| 1927 | 16 |
| 1928 | 14 |
| 1930 | 12 |
| 1932 | 7 |
| 1933 | 10 |
| 1936 | 5 |
| 1941 | 5 |
| 1994 | 5 |
| 1997 | 5 |
| 2000 | 5 |
| 2001 | 6 |
| 2002 | 6 |
| 2003 | 9 |
| 2005 | 5 |
| 2006 | 6 |
| 2007 | 8 |
| 2008 | 6 |
| 2009 | 8 |
| 2010 | 5 |
| 2011 | 8 |
| 2012 | 5 |
| 2013 | 10 |
| 2015 | 24 |
| 2016 | 18 |
| 2017 | 27 |
| 2018 | 12 |
| 2019 | 14 |
| 2020 | 20 |
| 2021 | 7 |
| 2022 | 16 |
| 2023 | 12 |
| 2024 | 10 |