| Year | Count |
|---|---|
| 1913 | 8 |
| 1915 | 7 |
| 1917 | 7 |
| 1919 | 7 |
| 1920 | 5 |
| 1921 | 10 |
| 1922 | 12 |
| 1923 | 18 |
| 1924 | 40 |
| 1925 | 18 |
| 1926 | 10 |
| 1927 | 22 |
| 1928 | 16 |
| 1932 | 7 |
| 1935 | 5 |
| 1959 | 16 |
| 1963 | 7 |
| 1978 | 10 |
| 1988 | 5 |
| 1990 | 7 |
| 1999 | 5 |
| 2001 | 17 |
| 2002 | 6 |
| 2007 | 7 |
| 2008 | 22 |
| 2009 | 28 |
| 2010 | 18 |
| 2011 | 50 |
| 2012 | 50 |
| 2013 | 58 |
| 2014 | 68 |
| 2015 | 102 |
| 2016 | 111 |
| 2017 | 152 |
| 2018 | 59 |
| 2019 | 144 |
| 2020 | 151 |
| 2021 | 167 |
| 2022 | 160 |
| 2023 | 121 |
| 2024 | 195 |