| Year | Count |
|---|---|
| 1910 | 28 |
| 1911 | 15 |
| 1912 | 57 |
| 1913 | 53 |
| 1914 | 42 |
| 1915 | 79 |
| 1916 | 103 |
| 1917 | 89 |
| 1918 | 45 |
| 1919 | 92 |
| 1920 | 89 |
| 1921 | 45 |
| 1922 | 74 |
| 1923 | 48 |
| 1924 | 64 |
| 1925 | 42 |
| 1926 | 35 |
| 1927 | 14 |
| 1928 | 40 |
| 1929 | 33 |
| 1930 | 23 |
| 1931 | 24 |
| 1932 | 5 |
| 1933 | 30 |
| 1934 | 8 |
| 1935 | 23 |
| 1936 | 60 |
| 1937 | 14 |
| 1938 | 23 |
| 1939 | 24 |
| 1940 | 11 |
| 1941 | 14 |
| 1942 | 10 |
| 1944 | 22 |
| 1945 | 18 |
| 1947 | 24 |
| 1954 | 8 |
| 1955 | 5 |
| 1962 | 5 |
| 1968 | 5 |