| Year | Count |
|---|---|
| 1912 | 5 |
| 1913 | 15 |
| 1915 | 42 |
| 1916 | 48 |
| 1917 | 28 |
| 1918 | 40 |
| 1919 | 49 |
| 1920 | 68 |
| 1921 | 55 |
| 1922 | 29 |
| 1923 | 57 |
| 1924 | 44 |
| 1925 | 12 |
| 1925 | 31 |
| 1926 | 26 |
| 1927 | 49 |
| 1928 | 62 |
| 1929 | 50 |
| 1930 | 24 |
| 1931 | 38 |
| 1932 | 42 |
| 1933 | 57 |
| 1934 | 15 |
| 1935 | 32 |
| 1936 | 21 |
| 1937 | 47 |
| 1938 | 10 |
| 1940 | 29 |
| 1941 | 10 |
| 1942 | 28 |
| 1943 | 6 |
| 1947 | 7 |
| 1952 | 5 |
| 1959 | 10 |