| Year | Count |
|---|---|
| 1929 | 14 |
| 1930 | 7 |
| 1931 | 15 |
| 1940 | 5 |
| 1943 | 5 |
| 1949 | 5 |
| 1954 | 15 |
| 1955 | 214 |
| 1956 | 49 |
| 1957 | 8 |
| 1958 | 20 |
| 1961 | 16 |
| 1962 | 5 |
| 1964 | 18 |
| 1966 | 12 |
| 1968 | 22 |
| 1969 | 6 |
| 1970 | 15 |
| 1971 | 13 |
| 1972 | 33 |
| 1973 | 25 |
| 1976 | 11 |
| 1977 | 20 |
| 1980 | 6 |
| 1982 | 5 |
| 1986 | 7 |
| 1991 | 7 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 9 |
| 2023 | 7 |
| 2023 | 5 |
| 2024 | 5 |
| 2024 | 5 |