| Year | Count |
|---|---|
| 1910 | 7 |
| 1911 | 10 |
| 1912 | 9 |
| 1913 | 7 |
| 1914 | 13 |
| 1915 | 19 |
| 1916 | 8 |
| 1917 | 11 |
| 1918 | 6 |
| 1919 | 13 |
| 1920 | 14 |
| 1921 | 14 |
| 1922 | 13 |
| 1923 | 6 |
| 1924 | 8 |
| 1925 | 17 |
| 1926 | 15 |
| 1927 | 5 |
| 1929 | 20 |
| 1931 | 5 |
| 1932 | 12 |
| 1934 | 8 |
| 1940 | 9 |
| 1947 | 7 |
| 1951 | 6 |
| 1952 | 8 |
| 1953 | 10 |
| 1954 | 7 |
| 1955 | 6 |
| 1956 | 9 |
| 1957 | 30 |
| 1958 | 20 |
| 1959 | 14 |
| 1960 | 19 |
| 1961 | 8 |
| 1963 | 10 |
| 1964 | 6 |
| 1965 | 7 |
| 1966 | 5 |
| 1970 | 10 |
| 1971 | 5 |
| 1995 | 18 |
| 1996 | 10 |
| 2001 | 6 |
| 2003 | 12 |
| 2004 | 14 |
| 2005 | 12 |
| 2006 | 5 |
| 2007 | 6 |
| 2008 | 9 |
| 2009 | 6 |
| 2011 | 17 |
| 2012 | 14 |
| 2013 | 15 |
| 2015 | 30 |
| 2016 | 11 |
| 2017 | 60 |
| 2018 | 38 |
| 2019 | 36 |
| 2020 | 86 |
| 2021 | 114 |
| 2022 | 107 |
| 2023 | 118 |
| 2024 | 122 |