| Year | Count |
|---|---|
| 1912 | 9 |
| 1914 | 19 |
| 1915 | 32 |
| 1916 | 50 |
| 1917 | 55 |
| 1918 | 81 |
| 1919 | 27 |
| 1920 | 42 |
| 1921 | 48 |
| 1922 | 20 |
| 1923 | 30 |
| 1924 | 58 |
| 1925 | 19 |
| 1926 | 11 |
| 1927 | 23 |
| 1928 | 41 |
| 1929 | 20 |
| 1930 | 10 |
| 1931 | 20 |
| 1933 | 21 |
| 1934 | 15 |
| 1936 | 21 |
| 1937 | 5 |
| 1940 | 21 |
| 1941 | 15 |
| 1942 | 24 |
| 1946 | 26 |
| 1947 | 17 |
| 1949 | 12 |
| 1951 | 10 |
| 1952 | 14 |
| 1953 | 5 |
| 1954 | 10 |
| 1957 | 10 |
| 1958 | 10 |
| 1959 | 12 |
| 1960 | 5 |
| 1961 | 6 |
| 1963 | 7 |
| 1966 | 5 |
| 1985 | 5 |