| Year | Count |
|---|---|
| 1910 | 20 |
| 1911 | 43 |
| 1912 | 21 |
| 1913 | 44 |
| 1914 | 27 |
| 1915 | 27 |
| 1916 | 44 |
| 1917 | 21 |
| 1918 | 34 |
| 1919 | 36 |
| 1920 | 32 |
| 1921 | 54 |
| 1922 | 31 |
| 1923 | 26 |
| 1924 | 20 |
| 1925 | 52 |
| 1926 | 35 |
| 1927 | 36 |
| 1928 | 34 |
| 1929 | 44 |
| 1930 | 38 |
| 1931 | 6 |
| 1933 | 29 |
| 1934 | 30 |
| 1935 | 23 |
| 1937 | 6 |
| 1938 | 19 |
| 1942 | 5 |
| 1943 | 5 |
| 1944 | 5 |
| 1948 | 7 |
| 1953 | 7 |
| 1955 | 5 |