| Year | Count |
|---|---|
| 1948 | 5 |
| 1949 | 6 |
| 1952 | 5 |
| 1953 | 17 |
| 1953 | 5 |
| 1954 | 28 |
| 1955 | 10 |
| 1955 | 6 |
| 1956 | 29 |
| 1956 | 22 |
| 1957 | 10 |
| 1957 | 39 |
| 1958 | 23 |
| 1958 | 45 |
| 1959 | 34 |
| 1959 | 12 |
| 1960 | 43 |
| 1960 | 73 |
| 1961 | 23 |
| 1961 | 34 |
| 1962 | 7 |
| 1962 | 46 |
| 1963 | 8 |
| 1963 | 50 |
| 1964 | 13 |
| 1964 | 29 |
| 1965 | 31 |
| 1966 | 24 |
| 1967 | 5 |
| 1968 | 28 |
| 1969 | 6 |
| 1971 | 6 |
| 1972 | 6 |
| 1973 | 6 |
| 1974 | 5 |
| 1975 | 9 |
| 1976 | 10 |
| 1979 | 6 |
| 1995 | 7 |
| 1996 | 5 |
| 1999 | 7 |
| 2006 | 6 |
| 2007 | 14 |
| 2010 | 5 |
| 2011 | 14 |
| 2013 | 10 |
| 2014 | 10 |
| 2015 | 12 |
| 2016 | 10 |
| 2017 | 5 |
| 2024 | 5 |