| Year | Count |
|---|---|
| 1926 | 5 |
| 1927 | 5 |
| 1931 | 18 |
| 1932 | 21 |
| 1933 | 7 |
| 1934 | 5 |
| 1935 | 5 |
| 1936 | 12 |
| 1937 | 25 |
| 1938 | 50 |
| 1939 | 28 |
| 1940 | 21 |
| 1941 | 41 |
| 1942 | 45 |
| 1943 | 36 |
| 1944 | 18 |
| 1945 | 32 |
| 1946 | 27 |
| 1947 | 44 |
| 1948 | 30 |
| 1949 | 5 |
| 1950 | 18 |
| 1951 | 11 |
| 1952 | 21 |
| 1953 | 34 |
| 1954 | 36 |
| 1955 | 18 |
| 1956 | 58 |
| 1957 | 34 |
| 1958 | 48 |
| 1959 | 30 |
| 1960 | 41 |
| 1961 | 46 |
| 1962 | 35 |
| 1963 | 5 |
| 1964 | 11 |
| 1965 | 16 |
| 1966 | 20 |
| 1967 | 15 |
| 1969 | 7 |
| 1971 | 6 |
| 1973 | 6 |
| 1974 | 5 |
| 1996 | 5 |
| 2004 | 10 |
| 2006 | 10 |
| 2022 | 12 |