| Year | Count |
|---|---|
| 1910 | 7 |
| 1911 | 15 |
| 1912 | 11 |
| 1913 | 11 |
| 1914 | 10 |
| 1915 | 26 |
| 1916 | 7 |
| 1917 | 8 |
| 1918 | 6 |
| 1919 | 50 |
| 1920 | 24 |
| 1921 | 23 |
| 1922 | 15 |
| 1923 | 21 |
| 1924 | 17 |
| 1925 | 57 |
| 1926 | 28 |
| 1927 | 10 |
| 1928 | 51 |
| 1932 | 39 |
| 1933 | 6 |
| 1934 | 29 |
| 1935 | 14 |
| 1936 | 5 |
| 1940 | 17 |
| 1941 | 10 |
| 1942 | 21 |
| 1946 | 18 |
| 1948 | 5 |
| 1951 | 5 |
| 1952 | 13 |
| 1964 | 5 |