| Year | Count |
|---|---|
| 1912 | 6 |
| 1914 | 12 |
| 1917 | 19 |
| 1918 | 43 |
| 1919 | 15 |
| 1920 | 15 |
| 1921 | 5 |
| 1922 | 5 |
| 1923 | 7 |
| 1924 | 14 |
| 1925 | 10 |
| 1926 | 10 |
| 1927 | 14 |
| 1929 | 7 |
| 1930 | 7 |
| 1931 | 5 |
| 1932 | 6 |
| 1934 | 5 |
| 1935 | 5 |
| 1936 | 5 |
| 1937 | 6 |
| 1939 | 5 |
| 1942 | 11 |
| 1945 | 7 |
| 1946 | 6 |
| 1947 | 36 |
| 1948 | 10 |
| 1949 | 10 |
| 1950 | 6 |
| 1951 | 6 |
| 1954 | 5 |
| 1955 | 5 |
| 1956 | 18 |
| 1958 | 5 |
| 1961 | 6 |
| 1962 | 5 |
| 1963 | 10 |
| 1970 | 5 |
| 1975 | 5 |
| 1978 | 6 |
| 1982 | 10 |
| 1985 | 5 |
| 1989 | 5 |
| 1990 | 5 |
| 2012 | 5 |