| Year | Count |
|---|---|
| 1912 | 7 |
| 1913 | 7 |
| 1914 | 19 |
| 1915 | 45 |
| 1916 | 57 |
| 1917 | 8 |
| 1918 | 77 |
| 1919 | 8 |
| 1920 | 25 |
| 1921 | 15 |
| 1922 | 17 |
| 1923 | 15 |
| 1924 | 10 |
| 1925 | 26 |
| 1926 | 7 |
| 1927 | 45 |
| 1931 | 6 |
| 1932 | 30 |
| 1933 | 17 |
| 1934 | 6 |
| 1935 | 6 |
| 1936 | 5 |
| 1937 | 6 |
| 1938 | 6 |
| 1942 | 5 |
| 1943 | 5 |
| 1944 | 5 |
| 1946 | 36 |
| 1947 | 12 |
| 1949 | 12 |
| 1951 | 10 |
| 1952 | 10 |
| 1955 | 21 |
| 1957 | 20 |
| 1958 | 5 |
| 1959 | 17 |
| 1960 | 10 |
| 1961 | 12 |
| 1963 | 5 |
| 1964 | 5 |
| 1966 | 7 |
| 1967 | 5 |
| 1970 | 5 |
| 1973 | 11 |
| 1976 | 7 |
| 1977 | 6 |
| 1979 | 15 |
| 1981 | 6 |
| 1982 | 6 |
| 1983 | 5 |
| 1984 | 16 |
| 1987 | 5 |
| 1991 | 5 |
| 2005 | 6 |
| 2010 | 6 |
| 2014 | 8 |
| 2016 | 5 |
| 2021 | 8 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 5 |