| Year | Count |
|---|---|
| 1951 | 5 |
| 1954 | 19 |
| 1955 | 15 |
| 1957 | 20 |
| 1957 | 10 |
| 1958 | 12 |
| 1981 | 18 |
| 1984 | 5 |
| 1985 | 10 |
| 1988 | 5 |
| 1991 | 6 |
| 1994 | 6 |
| 1996 | 5 |
| 1996 | 5 |
| 1997 | 31 |
| 1998 | 22 |
| 1999 | 43 |
| 2000 | 40 |
| 2004 | 27 |
| 2004 | 18 |
| 2005 | 14 |
| 2005 | 10 |
| 2006 | 6 |
| 2010 | 11 |
| 2011 | 5 |
| 2013 | 10 |
| 2014 | 5 |
| 2014 | 10 |
| 2016 | 6 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 13 |
| 2019 | 5 |
| 2019 | 12 |
| 2020 | 7 |
| 2021 | 11 |
| 2021 | 16 |
| 2022 | 7 |
| 2022 | 25 |
| 2023 | 15 |
| 2023 | 34 |
| 2024 | 10 |
| 2024 | 21 |