| Year | Count |
|---|---|
| 1910 | 6 |
| 1913 | 19 |
| 1918 | 6 |
| 1919 | 19 |
| 1920 | 7 |
| 1922 | 5 |
| 1924 | 5 |
| 1925 | 5 |
| 1926 | 12 |
| 1927 | 29 |
| 1928 | 16 |
| 1930 | 35 |
| 1934 | 5 |
| 1936 | 15 |
| 1942 | 12 |
| 1945 | 8 |
| 1946 | 6 |
| 1953 | 5 |
| 1960 | 6 |
| 1985 | 5 |
| 1996 | 6 |
| 1999 | 6 |
| 2006 | 5 |
| 2007 | 5 |
| 2009 | 10 |
| 2011 | 10 |
| 2012 | 24 |
| 2013 | 16 |
| 2015 | 25 |
| 2016 | 26 |
| 2017 | 61 |
| 2018 | 29 |
| 2019 | 29 |
| 2020 | 19 |
| 2021 | 28 |
| 2022 | 39 |
| 2023 | 17 |
| 2024 | 64 |