| Year | Count |
|---|---|
| 1913 | 10 |
| 1914 | 5 |
| 1915 | 16 |
| 1916 | 5 |
| 1918 | 10 |
| 1920 | 5 |
| 1921 | 12 |
| 1922 | 5 |
| 1923 | 5 |
| 1924 | 5 |
| 1925 | 29 |
| 1926 | 22 |
| 1929 | 15 |
| 1930 | 34 |
| 1931 | 38 |
| 1932 | 66 |
| 1933 | 73 |
| 1934 | 51 |
| 1935 | 90 |
| 1936 | 50 |
| 1937 | 31 |
| 1938 | 30 |
| 1939 | 36 |
| 1940 | 21 |
| 1941 | 7 |
| 1942 | 21 |
| 1943 | 32 |
| 1944 | 14 |
| 1945 | 26 |
| 1946 | 5 |
| 1947 | 34 |
| 1948 | 5 |
| 1949 | 21 |
| 1950 | 21 |
| 1951 | 25 |
| 1952 | 34 |
| 1953 | 12 |
| 1954 | 15 |
| 1955 | 32 |
| 1956 | 53 |
| 1957 | 29 |
| 1958 | 38 |
| 1959 | 10 |
| 1960 | 21 |
| 1961 | 8 |
| 1962 | 13 |
| 1963 | 23 |
| 1965 | 25 |
| 1966 | 5 |
| 1967 | 18 |
| 1968 | 5 |
| 1970 | 8 |
| 1971 | 25 |
| 1972 | 24 |
| 1973 | 5 |
| 1979 | 6 |
| 1982 | 5 |
| 2005 | 5 |