| Year | Count |
|---|---|
| 1912 | 11 |
| 1914 | 67 |
| 1915 | 75 |
| 1916 | 90 |
| 1917 | 72 |
| 1918 | 122 |
| 1919 | 80 |
| 1920 | 137 |
| 1921 | 102 |
| 1922 | 110 |
| 1923 | 121 |
| 1924 | 50 |
| 1925 | 79 |
| 1926 | 53 |
| 1927 | 88 |
| 1928 | 66 |
| 1929 | 48 |
| 1930 | 52 |
| 1931 | 53 |
| 1932 | 51 |
| 1933 | 45 |
| 1934 | 11 |
| 1935 | 53 |
| 1936 | 46 |
| 1937 | 10 |
| 1938 | 17 |
| 1939 | 25 |
| 1940 | 25 |
| 1941 | 18 |
| 1942 | 38 |
| 1943 | 7 |
| 1944 | 6 |
| 1945 | 23 |
| 1947 | 29 |
| 1948 | 41 |
| 1949 | 37 |
| 1950 | 28 |
| 1951 | 31 |
| 1952 | 44 |
| 1953 | 10 |
| 1955 | 10 |
| 1956 | 5 |
| 1957 | 26 |
| 1958 | 16 |
| 1960 | 11 |
| 1962 | 17 |
| 1963 | 6 |
| 1964 | 18 |
| 1965 | 10 |
| 1969 | 5 |
| 1970 | 6 |
| 1972 | 5 |
| 1975 | 5 |
| 1976 | 5 |
| 1980 | 5 |
| 1982 | 5 |
| 1983 | 10 |
| 1991 | 5 |
| 1992 | 5 |