| Year | Count |
|---|---|
| 1910 | 27 |
| 1911 | 18 |
| 1912 | 17 |
| 1913 | 42 |
| 1914 | 39 |
| 1915 | 34 |
| 1916 | 43 |
| 1917 | 22 |
| 1918 | 43 |
| 1919 | 42 |
| 1920 | 54 |
| 1921 | 43 |
| 1922 | 43 |
| 1923 | 31 |
| 1924 | 57 |
| 1925 | 67 |
| 1926 | 73 |
| 1927 | 109 |
| 1928 | 61 |
| 1929 | 49 |
| 1930 | 6 |
| 1931 | 48 |
| 1932 | 30 |
| 1933 | 27 |
| 1934 | 26 |
| 1935 | 41 |
| 1936 | 34 |
| 1937 | 23 |
| 1938 | 5 |
| 1939 | 27 |
| 1940 | 29 |
| 1941 | 5 |
| 1942 | 11 |
| 1943 | 18 |
| 1944 | 23 |
| 1945 | 5 |
| 1948 | 6 |
| 1949 | 8 |
| 1950 | 20 |
| 1951 | 6 |
| 1953 | 8 |
| 1954 | 5 |
| 1955 | 6 |
| 1962 | 5 |