| Year | Count |
|---|---|
| 1921 | 10 |
| 1931 | 21 |
| 1933 | 18 |
| 1935 | 15 |
| 1942 | 20 |
| 1943 | 21 |
| 1944 | 21 |
| 1945 | 15 |
| 1946 | 18 |
| 1947 | 27 |
| 1948 | 30 |
| 1949 | 24 |
| 1951 | 5 |
| 1952 | 24 |
| 1953 | 24 |
| 1954 | 18 |
| 1955 | 9 |
| 1956 | 5 |
| 1957 | 6 |
| 1958 | 5 |
| 1961 | 20 |
| 1962 | 6 |
| 1963 | 5 |
| 1964 | 21 |
| 1966 | 10 |
| 1969 | 12 |
| 1971 | 12 |
| 2007 | 5 |
| 2009 | 6 |
| 2011 | 12 |
| 2014 | 15 |
| 2020 | 7 |
| 2022 | 10 |
| 2023 | 6 |