| Year | Count |
|---|---|
| 1913 | 6 |
| 1914 | 5 |
| 1915 | 9 |
| 1916 | 10 |
| 1917 | 11 |
| 1918 | 13 |
| 1919 | 10 |
| 1920 | 9 |
| 1921 | 6 |
| 1922 | 10 |
| 1923 | 11 |
| 1924 | 5 |
| 1926 | 6 |
| 1927 | 6 |
| 1928 | 5 |
| 1929 | 8 |
| 1930 | 5 |
| 1931 | 7 |
| 1932 | 6 |
| 1934 | 7 |
| 1935 | 11 |
| 1936 | 9 |
| 1938 | 7 |
| 1940 | 7 |
| 1942 | 10 |
| 1944 | 9 |
| 1945 | 6 |
| 1946 | 5 |
| 1947 | 6 |
| 1948 | 5 |
| 1950 | 9 |
| 1952 | 8 |
| 1955 | 7 |
| 1956 | 10 |
| 1958 | 5 |
| 1960 | 6 |
| 1961 | 6 |
| 1964 | 8 |
| 1966 | 6 |
| 1968 | 5 |
| 1971 | 5 |
| 1973 | 6 |
| 1975 | 6 |
| 1994 | 5 |
| 1997 | 5 |
| 1999 | 5 |
| 2009 | 10 |
| 2011 | 5 |
| 2012 | 7 |
| 2014 | 6 |
| 2015 | 12 |
| 2016 | 12 |
| 2017 | 16 |
| 2019 | 5 |
| 2020 | 7 |
| 2023 | 5 |
| 2024 | 5 |