| Year | Count |
|---|---|
| 1912 | 8 |
| 1914 | 5 |
| 1915 | 54 |
| 1916 | 12 |
| 1917 | 48 |
| 1918 | 18 |
| 1919 | 44 |
| 1920 | 42 |
| 1921 | 52 |
| 1922 | 21 |
| 1923 | 41 |
| 1924 | 31 |
| 1925 | 10 |
| 1926 | 22 |
| 1927 | 17 |
| 1928 | 22 |
| 1929 | 56 |
| 1930 | 28 |
| 1931 | 18 |
| 1932 | 12 |
| 1933 | 18 |
| 1936 | 5 |
| 1939 | 10 |
| 1941 | 18 |
| 1943 | 20 |
| 1944 | 5 |
| 1945 | 16 |
| 1947 | 18 |
| 1949 | 12 |
| 1952 | 10 |
| 1953 | 5 |
| 1954 | 5 |
| 1956 | 12 |
| 1959 | 23 |
| 1963 | 10 |
| 1965 | 5 |
| 1966 | 5 |
| 1982 | 5 |
| 1987 | 12 |