| Year | Count |
|---|---|
| 1917 | 5 |
| 1920 | 5 |
| 1927 | 5 |
| 1929 | 5 |
| 1932 | 6 |
| 1939 | 5 |
| 1940 | 8 |
| 1942 | 5 |
| 1943 | 15 |
| 1947 | 30 |
| 1955 | 5 |
| 1956 | 6 |
| 1957 | 14 |
| 1960 | 10 |
| 1987 | 6 |
| 1992 | 5 |
| 1992 | 5 |
| 1998 | 5 |
| 2004 | 10 |
| 2005 | 10 |
| 2007 | 7 |
| 2009 | 5 |
| 2009 | 5 |
| 2010 | 45 |
| 2010 | 11 |
| 2011 | 21 |
| 2012 | 16 |
| 2013 | 16 |
| 2013 | 20 |
| 2014 | 5 |
| 2014 | 15 |
| 2015 | 18 |
| 2015 | 35 |
| 2016 | 34 |
| 2016 | 38 |
| 2017 | 31 |
| 2017 | 45 |
| 2018 | 6 |
| 2018 | 43 |
| 2019 | 26 |
| 2019 | 37 |
| 2020 | 5 |
| 2020 | 35 |
| 2021 | 16 |
| 2021 | 52 |
| 2022 | 30 |
| 2022 | 23 |
| 2023 | 5 |
| 2023 | 25 |
| 2024 | 11 |
| 2024 | 50 |