| Year | Count |
|---|---|
| 1911 | 10 |
| 1913 | 10 |
| 1914 | 14 |
| 1915 | 12 |
| 1916 | 10 |
| 1917 | 18 |
| 1918 | 27 |
| 1919 | 9 |
| 1920 | 8 |
| 1921 | 13 |
| 1922 | 15 |
| 1923 | 14 |
| 1924 | 15 |
| 1925 | 17 |
| 1926 | 21 |
| 1927 | 30 |
| 1928 | 32 |
| 1929 | 40 |
| 1930 | 22 |
| 1931 | 20 |
| 1932 | 22 |
| 1933 | 10 |
| 1934 | 5 |
| 1936 | 10 |
| 1937 | 8 |
| 1938 | 10 |
| 1939 | 6 |
| 1940 | 9 |
| 1941 | 11 |
| 1943 | 30 |
| 1950 | 9 |
| 1951 | 11 |
| 1952 | 8 |
| 1953 | 9 |
| 1955 | 6 |
| 1956 | 5 |
| 1971 | 5 |
| 1972 | 5 |
| 1976 | 5 |
| 1979 | 12 |
| 1981 | 6 |
| 1983 | 6 |
| 1987 | 14 |
| 2019 | 11 |