| Year | Count |
|---|---|
| 1910 | 50 |
| 1911 | 18 |
| 1912 | 58 |
| 1913 | 23 |
| 1914 | 86 |
| 1915 | 56 |
| 1916 | 143 |
| 1917 | 78 |
| 1918 | 103 |
| 1919 | 106 |
| 1920 | 77 |
| 1921 | 106 |
| 1922 | 54 |
| 1923 | 36 |
| 1924 | 41 |
| 1925 | 89 |
| 1926 | 30 |
| 1927 | 31 |
| 1928 | 47 |
| 1929 | 24 |
| 1930 | 26 |
| 1931 | 6 |
| 1932 | 5 |
| 1933 | 42 |
| 1934 | 10 |
| 1935 | 5 |
| 1936 | 13 |
| 1938 | 12 |
| 1939 | 5 |
| 1941 | 20 |
| 1942 | 24 |
| 1943 | 12 |
| 1945 | 10 |
| 1946 | 12 |
| 1960 | 10 |