| Year | Count |
|---|---|
| 1910 | 12 |
| 1911 | 23 |
| 1912 | 63 |
| 1913 | 77 |
| 1914 | 57 |
| 1915 | 110 |
| 1916 | 100 |
| 1917 | 102 |
| 1918 | 93 |
| 1919 | 48 |
| 1920 | 50 |
| 1921 | 51 |
| 1922 | 39 |
| 1923 | 77 |
| 1924 | 52 |
| 1925 | 59 |
| 1926 | 37 |
| 1927 | 31 |
| 1928 | 60 |
| 1929 | 12 |
| 1930 | 10 |
| 1931 | 25 |
| 1934 | 10 |
| 1935 | 34 |
| 1936 | 20 |
| 1937 | 6 |
| 1939 | 11 |
| 1940 | 22 |
| 1941 | 8 |
| 1942 | 7 |
| 1945 | 6 |
| 1946 | 6 |
| 1947 | 5 |
| 1950 | 10 |
| 1951 | 5 |
| 1952 | 41 |
| 1953 | 14 |
| 1955 | 5 |
| 1956 | 16 |
| 1958 | 14 |
| 1959 | 10 |
| 1960 | 5 |
| 1962 | 5 |
| 1963 | 5 |
| 1964 | 10 |
| 1973 | 10 |