| Year | Count |
|---|---|
| 1911 | 12 |
| 1913 | 6 |
| 1914 | 15 |
| 1915 | 12 |
| 1917 | 20 |
| 1918 | 16 |
| 1919 | 14 |
| 1920 | 18 |
| 1921 | 10 |
| 1922 | 10 |
| 1923 | 27 |
| 1924 | 24 |
| 1925 | 13 |
| 1926 | 32 |
| 1927 | 18 |
| 1930 | 18 |
| 1931 | 26 |
| 1936 | 18 |
| 1942 | 21 |
| 1948 | 15 |
| 1950 | 15 |
| 1953 | 10 |
| 1957 | 14 |
| 1986 | 6 |
| 1989 | 5 |
| 1992 | 5 |
| 2006 | 6 |
| 2008 | 5 |
| 2009 | 5 |
| 2010 | 23 |
| 2011 | 23 |
| 2012 | 30 |
| 2013 | 20 |
| 2014 | 60 |
| 2015 | 72 |
| 2016 | 99 |
| 2017 | 130 |
| 2018 | 112 |
| 2019 | 74 |
| 2020 | 89 |
| 2021 | 73 |
| 2022 | 125 |
| 2023 | 145 |
| 2024 | 157 |