| Year | Count |
|---|---|
| 1912 | 12 |
| 1913 | 6 |
| 1914 | 25 |
| 1915 | 36 |
| 1916 | 45 |
| 1917 | 59 |
| 1918 | 90 |
| 1919 | 62 |
| 1920 | 61 |
| 1921 | 73 |
| 1922 | 45 |
| 1923 | 54 |
| 1924 | 46 |
| 1925 | 50 |
| 1926 | 59 |
| 1927 | 56 |
| 1928 | 29 |
| 1929 | 23 |
| 1930 | 20 |
| 1931 | 54 |
| 1932 | 32 |
| 1933 | 37 |
| 1934 | 20 |
| 1935 | 32 |
| 1936 | 10 |
| 1937 | 15 |
| 1939 | 5 |
| 1941 | 5 |
| 1942 | 21 |
| 1943 | 18 |
| 1945 | 7 |
| 1947 | 18 |
| 1948 | 5 |
| 1949 | 27 |
| 1950 | 11 |
| 1951 | 10 |
| 1953 | 23 |
| 1954 | 14 |
| 1955 | 5 |
| 1957 | 5 |
| 1959 | 5 |
| 1966 | 5 |
| 1979 | 5 |
| 1980 | 10 |
| 1987 | 9 |
| 1992 | 5 |
| 1996 | 5 |