| Year | Count |
|---|---|
| 1926 | 5 |
| 1936 | 7 |
| 1938 | 5 |
| 1940 | 10 |
| 1941 | 6 |
| 1942 | 27 |
| 1943 | 53 |
| 1944 | 58 |
| 1945 | 42 |
| 1946 | 55 |
| 1947 | 42 |
| 1948 | 51 |
| 1949 | 73 |
| 1950 | 65 |
| 1951 | 81 |
| 1952 | 44 |
| 1953 | 32 |
| 1954 | 44 |
| 1955 | 17 |
| 1956 | 19 |
| 1957 | 27 |
| 1958 | 5 |
| 1959 | 18 |
| 1960 | 23 |
| 1961 | 30 |
| 1962 | 5 |
| 1965 | 10 |
| 1967 | 29 |
| 1968 | 16 |
| 1969 | 22 |
| 1970 | 8 |
| 1971 | 11 |
| 1972 | 10 |
| 2012 | 10 |
| 2014 | 5 |
| 2021 | 10 |