| Year | Count |
|---|---|
| 1919 | 5 |
| 1920 | 13 |
| 1922 | 6 |
| 1925 | 6 |
| 1928 | 7 |
| 1930 | 9 |
| 1931 | 5 |
| 1932 | 7 |
| 1934 | 7 |
| 1935 | 5 |
| 1936 | 6 |
| 1937 | 11 |
| 1938 | 9 |
| 1939 | 11 |
| 1940 | 6 |
| 1941 | 6 |
| 1943 | 9 |
| 1944 | 10 |
| 1945 | 6 |
| 1946 | 5 |
| 1947 | 11 |
| 1948 | 7 |
| 1949 | 5 |
| 1950 | 9 |
| 1952 | 7 |
| 1953 | 8 |
| 1954 | 8 |
| 1955 | 6 |
| 1959 | 10 |
| 1960 | 7 |
| 1961 | 10 |
| 1964 | 5 |
| 2015 | 5 |
| 2018 | 14 |
| 2021 | 5 |