| Year | Count |
|---|---|
| 1914 | 5 |
| 1916 | 5 |
| 1919 | 10 |
| 1920 | 8 |
| 1921 | 8 |
| 1922 | 6 |
| 1924 | 8 |
| 1932 | 5 |
| 1934 | 8 |
| 1936 | 5 |
| 1937 | 7 |
| 1940 | 5 |
| 1947 | 8 |
| 1954 | 5 |
| 1986 | 10 |
| 1987 | 5 |
| 1990 | 5 |
| 2000 | 6 |
| 2001 | 29 |
| 2002 | 5 |
| 2003 | 66 |
| 2004 | 93 |
| 2005 | 102 |
| 2006 | 152 |
| 2007 | 130 |
| 2008 | 156 |
| 2009 | 120 |
| 2010 | 134 |
| 2011 | 198 |
| 2012 | 282 |
| 2013 | 275 |
| 2013 | 54 |
| 2014 | 334 |
| 2014 | 53 |
| 2015 | 305 |
| 2015 | 47 |
| 2016 | 316 |
| 2016 | 44 |
| 2017 | 288 |
| 2017 | 70 |
| 2018 | 237 |
| 2018 | 65 |
| 2019 | 346 |
| 2019 | 14 |
| 2020 | 303 |
| 2020 | 43 |
| 2021 | 380 |
| 2021 | 52 |
| 2022 | 254 |
| 2022 | 29 |
| 2023 | 235 |
| 2023 | 37 |
| 2024 | 247 |
| 2024 | 24 |