| Year | Count |
|---|---|
| 1914 | 6 |
| 1915 | 10 |
| 1916 | 18 |
| 1917 | 25 |
| 1918 | 54 |
| 1919 | 61 |
| 1920 | 44 |
| 1921 | 54 |
| 1922 | 55 |
| 1923 | 56 |
| 1924 | 31 |
| 1925 | 76 |
| 1926 | 77 |
| 1927 | 44 |
| 1928 | 51 |
| 1929 | 44 |
| 1930 | 40 |
| 1932 | 27 |
| 1934 | 12 |
| 1935 | 22 |
| 1936 | 5 |
| 1938 | 12 |
| 1939 | 12 |
| 1940 | 11 |
| 1941 | 13 |
| 1942 | 7 |
| 1943 | 5 |
| 1944 | 10 |
| 1945 | 5 |
| 1946 | 5 |
| 1947 | 7 |
| 1948 | 8 |
| 1949 | 5 |
| 1952 | 12 |
| 1954 | 5 |
| 1966 | 10 |