| Year | Count |
|---|---|
| 1911 | 15 |
| 1912 | 15 |
| 1913 | 52 |
| 1914 | 21 |
| 1915 | 18 |
| 1916 | 45 |
| 1917 | 18 |
| 1918 | 57 |
| 1919 | 30 |
| 1920 | 13 |
| 1921 | 33 |
| 1922 | 32 |
| 1923 | 19 |
| 1924 | 5 |
| 1925 | 9 |
| 1926 | 42 |
| 1927 | 33 |
| 1928 | 31 |
| 1929 | 17 |
| 1931 | 29 |
| 1932 | 29 |
| 1934 | 28 |
| 1935 | 5 |
| 1936 | 8 |
| 1938 | 6 |
| 1940 | 10 |
| 1941 | 10 |
| 1945 | 10 |
| 1946 | 12 |
| 1947 | 10 |
| 1952 | 12 |
| 1953 | 16 |
| 1959 | 5 |