| Year | Count |
|---|---|
| 1914 | 5 |
| 1915 | 10 |
| 1916 | 12 |
| 1917 | 5 |
| 1919 | 11 |
| 1920 | 6 |
| 1921 | 17 |
| 1922 | 11 |
| 1923 | 19 |
| 1924 | 19 |
| 1925 | 40 |
| 1926 | 14 |
| 1927 | 68 |
| 1928 | 5 |
| 1929 | 21 |
| 1930 | 10 |
| 1932 | 10 |
| 1934 | 5 |
| 1939 | 10 |
| 1940 | 10 |
| 1946 | 12 |
| 1947 | 10 |
| 1949 | 5 |
| 1950 | 14 |
| 1954 | 10 |
| 1955 | 5 |
| 1956 | 95 |
| 1957 | 18 |
| 1958 | 10 |
| 1959 | 5 |
| 1961 | 6 |
| 1964 | 5 |