| Year | Count |
|---|---|
| 1913 | 12 |
| 1914 | 16 |
| 1915 | 6 |
| 1916 | 39 |
| 1917 | 25 |
| 1918 | 32 |
| 1919 | 45 |
| 1920 | 26 |
| 1921 | 56 |
| 1922 | 47 |
| 1923 | 32 |
| 1924 | 63 |
| 1925 | 74 |
| 1926 | 37 |
| 1927 | 23 |
| 1928 | 33 |
| 1929 | 17 |
| 1930 | 46 |
| 1931 | 10 |
| 1932 | 13 |
| 1933 | 18 |
| 1934 | 12 |
| 1937 | 5 |
| 1938 | 14 |
| 1939 | 5 |
| 1942 | 5 |
| 1949 | 5 |
| 1950 | 6 |
| 1952 | 10 |
| 1953 | 12 |
| 1954 | 6 |
| 1958 | 7 |