| Year | Count |
|---|---|
| 1913 | 6 |
| 1915 | 9 |
| 1917 | 5 |
| 1918 | 15 |
| 1920 | 19 |
| 1921 | 6 |
| 1922 | 21 |
| 1923 | 6 |
| 1924 | 10 |
| 1925 | 5 |
| 1926 | 5 |
| 1928 | 10 |
| 1929 | 12 |
| 1948 | 5 |
| 1956 | 6 |
| 1957 | 12 |
| 1965 | 14 |
| 1966 | 5 |
| 1969 | 15 |
| 1970 | 5 |
| 1971 | 5 |
| 1972 | 16 |
| 1999 | 5 |
| 2003 | 10 |
| 2004 | 10 |
| 2006 | 6 |
| 2010 | 7 |
| 2013 | 5 |
| 2014 | 5 |
| 2015 | 6 |
| 2016 | 15 |
| 2018 | 24 |
| 2019 | 12 |
| 2020 | 17 |
| 2021 | 18 |
| 2022 | 18 |
| 2023 | 5 |