| Year | Count |
|---|---|
| 1914 | 82 |
| 1915 | 87 |
| 1916 | 59 |
| 1917 | 47 |
| 1918 | 27 |
| 1919 | 28 |
| 1920 | 16 |
| 1921 | 40 |
| 1922 | 31 |
| 1923 | 35 |
| 1924 | 41 |
| 1927 | 11 |
| 1930 | 10 |
| 1937 | 12 |
| 1940 | 5 |
| 1941 | 10 |
| 1943 | 16 |
| 1944 | 27 |
| 1945 | 22 |
| 1946 | 42 |
| 1947 | 56 |
| 1948 | 58 |
| 1949 | 88 |
| 1950 | 66 |
| 1951 | 56 |
| 1952 | 62 |
| 1953 | 77 |
| 1954 | 39 |
| 1955 | 14 |
| 1956 | 31 |
| 1957 | 22 |
| 1958 | 8 |
| 1959 | 26 |
| 1960 | 17 |
| 1966 | 21 |
| 1981 | 5 |
| 1985 | 10 |
| 1987 | 5 |
| 1988 | 32 |
| 1989 | 5 |
| 1990 | 32 |
| 1991 | 5 |
| 1992 | 14 |
| 1993 | 10 |
| 1994 | 5 |
| 1995 | 10 |
| 1998 | 12 |
| 2000 | 5 |
| 2003 | 12 |
| 2004 | 10 |
| 2005 | 12 |
| 2006 | 14 |
| 2015 | 5 |
| 2024 | 28 |