| Year | Count |
|---|---|
| 1912 | 10 |
| 1913 | 6 |
| 1914 | 12 |
| 1915 | 19 |
| 1916 | 36 |
| 1917 | 19 |
| 1918 | 11 |
| 1919 | 15 |
| 1920 | 10 |
| 1921 | 44 |
| 1922 | 17 |
| 1923 | 39 |
| 1924 | 17 |
| 1925 | 9 |
| 1926 | 41 |
| 1927 | 6 |
| 1928 | 19 |
| 1929 | 35 |
| 1930 | 10 |
| 1931 | 13 |
| 1935 | 6 |
| 1939 | 5 |
| 1940 | 15 |
| 1942 | 5 |
| 1944 | 5 |
| 1945 | 5 |
| 1946 | 16 |
| 1947 | 12 |
| 1948 | 5 |
| 1950 | 5 |
| 1951 | 6 |
| 1952 | 6 |
| 1954 | 5 |
| 1955 | 12 |
| 1956 | 5 |
| 1957 | 6 |
| 1958 | 17 |
| 1960 | 5 |
| 1962 | 5 |
| 1969 | 10 |
| 1970 | 5 |
| 1971 | 5 |
| 1972 | 5 |
| 1973 | 5 |
| 1986 | 5 |
| 1988 | 10 |
| 1990 | 5 |
| 1992 | 5 |
| 1998 | 6 |
| 2004 | 10 |