| Year | Count |
|---|---|
| 1912 | 7 |
| 1916 | 7 |
| 1917 | 5 |
| 1918 | 6 |
| 1930 | 7 |
| 1932 | 7 |
| 1939 | 5 |
| 1941 | 5 |
| 1947 | 6 |
| 1951 | 6 |
| 1952 | 7 |
| 1953 | 5 |
| 1954 | 5 |
| 1958 | 5 |
| 1961 | 6 |
| 1962 | 6 |
| 1966 | 5 |
| 1967 | 6 |
| 1969 | 5 |
| 1971 | 5 |
| 1976 | 8 |
| 1977 | 7 |
| 1982 | 6 |
| 1984 | 5 |
| 1985 | 5 |
| 1986 | 5 |
| 1988 | 7 |
| 1990 | 5 |
| 1996 | 6 |
| 2000 | 6 |
| 2001 | 5 |
| 2008 | 10 |
| 2009 | 5 |
| 2011 | 5 |
| 2012 | 6 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 15 |
| 2019 | 17 |
| 2019 | 5 |
| 2020 | 20 |
| 2020 | 5 |
| 2021 | 26 |
| 2021 | 7 |
| 2022 | 11 |
| 2022 | 5 |
| 2023 | 12 |
| 2024 | 12 |