| Year | Count |
|---|---|
| 1914 | 10 |
| 1916 | 10 |
| 1919 | 5 |
| 1922 | 5 |
| 1923 | 9 |
| 1925 | 9 |
| 1928 | 12 |
| 1929 | 10 |
| 1932 | 14 |
| 1934 | 5 |
| 1935 | 6 |
| 1936 | 13 |
| 1937 | 7 |
| 1938 | 20 |
| 1939 | 5 |
| 1940 | 14 |
| 1941 | 24 |
| 1942 | 10 |
| 1943 | 34 |
| 1944 | 23 |
| 1945 | 42 |
| 1946 | 40 |
| 1947 | 42 |
| 1948 | 36 |
| 1949 | 32 |
| 1950 | 38 |
| 1951 | 21 |
| 1952 | 33 |
| 1953 | 25 |
| 1954 | 18 |
| 1955 | 30 |
| 1956 | 63 |
| 1957 | 37 |
| 1958 | 7 |
| 1959 | 34 |
| 1960 | 29 |
| 1961 | 33 |
| 1962 | 5 |
| 1963 | 6 |
| 1965 | 5 |
| 1968 | 6 |
| 1970 | 5 |
| 1974 | 6 |
| 1976 | 5 |
| 1977 | 5 |
| 1980 | 5 |
| 1981 | 15 |
| 1983 | 6 |
| 1987 | 5 |
| 1988 | 15 |
| 1990 | 12 |
| 1991 | 5 |
| 1992 | 5 |
| 1995 | 5 |
| 2001 | 10 |
| 2002 | 5 |
| 2003 | 12 |
| 2006 | 6 |
| 2008 | 16 |
| 2011 | 10 |
| 2013 | 5 |
| 2016 | 6 |
| 2022 | 5 |
| 2023 | 8 |