| Year | Count |
|---|---|
| 1913 | 6 |
| 1914 | 5 |
| 1915 | 65 |
| 1916 | 5 |
| 1916 | 54 |
| 1917 | 60 |
| 1918 | 44 |
| 1919 | 5 |
| 1919 | 75 |
| 1920 | 5 |
| 1920 | 72 |
| 1921 | 50 |
| 1922 | 89 |
| 1923 | 57 |
| 1924 | 75 |
| 1925 | 71 |
| 1926 | 63 |
| 1927 | 64 |
| 1928 | 71 |
| 1929 | 98 |
| 1930 | 10 |
| 1930 | 93 |
| 1931 | 81 |
| 1932 | 57 |
| 1933 | 34 |
| 1934 | 55 |
| 1935 | 5 |
| 1935 | 26 |
| 1936 | 38 |
| 1937 | 9 |
| 1938 | 7 |
| 1938 | 14 |
| 1939 | 6 |
| 1939 | 36 |
| 1940 | 35 |
| 1941 | 32 |
| 1942 | 21 |
| 1943 | 67 |
| 1944 | 28 |
| 1945 | 49 |
| 1946 | 20 |
| 1947 | 19 |
| 1948 | 24 |
| 1949 | 31 |
| 1950 | 7 |
| 1950 | 16 |
| 1952 | 15 |
| 1953 | 6 |
| 1953 | 10 |
| 1954 | 7 |
| 1954 | 6 |
| 1955 | 15 |
| 1956 | 29 |
| 1958 | 18 |
| 1959 | 12 |
| 1960 | 22 |
| 1963 | 24 |
| 1964 | 10 |
| 1965 | 12 |
| 1966 | 16 |
| 1967 | 12 |
| 1972 | 5 |
| 1993 | 5 |