| Year | Count |
|---|---|
| 1913 | 5 |
| 1914 | 7 |
| 1915 | 17 |
| 1916 | 15 |
| 1917 | 18 |
| 1918 | 9 |
| 1919 | 16 |
| 1920 | 11 |
| 1921 | 6 |
| 1922 | 16 |
| 1923 | 12 |
| 1924 | 10 |
| 1925 | 10 |
| 1926 | 14 |
| 1933 | 7 |
| 1939 | 7 |
| 1946 | 6 |
| 1948 | 5 |
| 2009 | 10 |
| 2010 | 8 |
| 2011 | 10 |
| 2012 | 9 |
| 2013 | 7 |
| 2014 | 11 |
| 2015 | 21 |
| 2016 | 24 |
| 2017 | 15 |
| 2018 | 10 |
| 2019 | 12 |
| 2020 | 12 |
| 2021 | 7 |
| 2022 | 18 |
| 2023 | 12 |
| 2024 | 14 |