| Year | Count |
|---|---|
| 1910 | 10 |
| 1911 | 5 |
| 1913 | 10 |
| 1914 | 13 |
| 1915 | 21 |
| 1917 | 22 |
| 1918 | 40 |
| 1919 | 7 |
| 1921 | 5 |
| 1922 | 31 |
| 1923 | 11 |
| 1924 | 11 |
| 1925 | 5 |
| 1926 | 10 |
| 1927 | 15 |
| 1929 | 5 |
| 1930 | 5 |
| 1931 | 5 |
| 1932 | 9 |
| 1935 | 12 |
| 1938 | 5 |
| 1939 | 10 |
| 1940 | 6 |
| 1943 | 5 |
| 1947 | 5 |
| 1948 | 21 |
| 1949 | 5 |
| 1952 | 11 |
| 1953 | 23 |
| 1954 | 22 |
| 1955 | 19 |
| 1956 | 10 |
| 1957 | 10 |
| 1963 | 15 |
| 1964 | 10 |
| 1969 | 5 |
| 1970 | 14 |
| 1971 | 10 |
| 1975 | 10 |
| 1978 | 5 |