| Year | Count |
|---|---|
| 1912 | 5 |
| 1913 | 18 |
| 1915 | 12 |
| 1916 | 17 |
| 1917 | 24 |
| 1919 | 23 |
| 1921 | 24 |
| 1922 | 7 |
| 1923 | 26 |
| 1925 | 7 |
| 1926 | 5 |
| 1929 | 8 |
| 1931 | 8 |
| 1932 | 6 |
| 1933 | 7 |
| 1939 | 5 |
| 1996 | 6 |
| 1998 | 10 |
| 1999 | 6 |
| 2000 | 5 |
| 2001 | 15 |
| 2011 | 5 |
| 2012 | 16 |
| 2013 | 8 |
| 2014 | 27 |
| 2015 | 54 |
| 2016 | 57 |
| 2017 | 59 |
| 2018 | 94 |
| 2019 | 68 |
| 2020 | 125 |
| 2021 | 71 |
| 2022 | 63 |
| 2023 | 82 |
| 2024 | 62 |