| Year | Count |
|---|---|
| 1910 | 5 |
| 1911 | 5 |
| 1912 | 7 |
| 1914 | 5 |
| 1914 | 30 |
| 1915 | 40 |
| 1916 | 5 |
| 1916 | 75 |
| 1917 | 5 |
| 1917 | 34 |
| 1918 | 10 |
| 1918 | 80 |
| 1919 | 12 |
| 1919 | 44 |
| 1920 | 74 |
| 1921 | 85 |
| 1922 | 69 |
| 1923 | 53 |
| 1924 | 5 |
| 1924 | 72 |
| 1925 | 15 |
| 1925 | 56 |
| 1926 | 26 |
| 1927 | 54 |
| 1928 | 36 |
| 1929 | 6 |
| 1929 | 29 |
| 1930 | 65 |
| 1931 | 5 |
| 1931 | 13 |
| 1932 | 31 |
| 1934 | 34 |
| 1935 | 42 |
| 1936 | 18 |
| 1937 | 11 |
| 1938 | 27 |
| 1940 | 27 |
| 1941 | 5 |
| 1942 | 22 |
| 1943 | 28 |
| 1945 | 5 |
| 1946 | 7 |
| 1947 | 6 |
| 1949 | 17 |
| 1955 | 21 |