| Year | Count |
|---|---|
| 1914 | 6 |
| 1915 | 5 |
| 1929 | 5 |
| 1930 | 8 |
| 1940 | 6 |
| 1956 | 5 |
| 1983 | 5 |
| 1987 | 6 |
| 1989 | 5 |
| 1991 | 5 |
| 1992 | 7 |
| 1996 | 7 |
| 1998 | 6 |
| 1999 | 8 |
| 2001 | 10 |
| 2007 | 10 |
| 2008 | 8 |
| 2008 | 10 |
| 2009 | 10 |
| 2010 | 11 |
| 2010 | 7 |
| 2011 | 15 |
| 2012 | 8 |
| 2012 | 6 |
| 2013 | 11 |
| 2013 | 11 |
| 2014 | 11 |
| 2014 | 7 |
| 2015 | 48 |
| 2015 | 12 |
| 2016 | 57 |
| 2016 | 22 |
| 2017 | 69 |
| 2017 | 24 |
| 2018 | 16 |
| 2018 | 18 |
| 2019 | 46 |
| 2019 | 10 |
| 2020 | 42 |
| 2020 | 15 |
| 2021 | 44 |
| 2021 | 11 |
| 2022 | 42 |
| 2022 | 7 |
| 2023 | 42 |
| 2023 | 12 |
| 2024 | 32 |
| 2024 | 6 |