| Year | Count |
|---|---|
| 1910 | 17 |
| 1912 | 21 |
| 1913 | 30 |
| 1914 | 28 |
| 1915 | 59 |
| 1916 | 49 |
| 1917 | 38 |
| 1918 | 47 |
| 1919 | 41 |
| 1920 | 30 |
| 1921 | 49 |
| 1922 | 29 |
| 1923 | 25 |
| 1924 | 33 |
| 1925 | 54 |
| 1926 | 32 |
| 1927 | 52 |
| 1928 | 52 |
| 1929 | 33 |
| 1930 | 13 |
| 1931 | 18 |
| 1932 | 15 |
| 1933 | 6 |
| 1935 | 15 |
| 1936 | 5 |
| 1937 | 5 |
| 1946 | 17 |
| 1948 | 12 |
| 1949 | 5 |
| 1951 | 10 |
| 1954 | 10 |
| 1955 | 10 |
| 1957 | 12 |