| Year | Count |
|---|---|
| 1911 | 15 |
| 1912 | 10 |
| 1913 | 15 |
| 1915 | 17 |
| 1916 | 26 |
| 1917 | 25 |
| 1918 | 33 |
| 1919 | 10 |
| 1919 | 48 |
| 1920 | 61 |
| 1921 | 62 |
| 1922 | 38 |
| 1923 | 56 |
| 1924 | 34 |
| 1925 | 35 |
| 1926 | 15 |
| 1926 | 41 |
| 1927 | 29 |
| 1928 | 20 |
| 1929 | 15 |
| 1929 | 37 |
| 1930 | 82 |
| 1931 | 12 |
| 1932 | 42 |
| 1933 | 31 |
| 1934 | 8 |
| 1935 | 17 |
| 1936 | 10 |
| 1937 | 27 |
| 1938 | 13 |
| 1939 | 23 |
| 1940 | 24 |
| 1941 | 10 |
| 1943 | 25 |
| 1944 | 16 |
| 1945 | 7 |
| 1946 | 18 |
| 1948 | 17 |
| 1949 | 10 |
| 1951 | 27 |
| 1952 | 12 |
| 1955 | 10 |
| 1957 | 15 |
| 1958 | 10 |
| 1960 | 12 |
| 1961 | 10 |
| 1962 | 20 |
| 1963 | 10 |
| 1964 | 10 |
| 1965 | 12 |
| 1970 | 7 |
| 1991 | 7 |
| 1992 | 15 |
| 2000 | 10 |
| 2008 | 5 |