| Year | Count |
|---|---|
| 1913 | 23 |
| 1915 | 10 |
| 1916 | 10 |
| 1917 | 23 |
| 1918 | 5 |
| 1919 | 12 |
| 1920 | 23 |
| 1921 | 38 |
| 1922 | 31 |
| 1923 | 6 |
| 1924 | 38 |
| 1925 | 23 |
| 1926 | 10 |
| 1927 | 19 |
| 1928 | 11 |
| 1929 | 7 |
| 1930 | 35 |
| 1931 | 22 |
| 1932 | 9 |
| 1933 | 5 |
| 1934 | 7 |
| 1935 | 12 |
| 1937 | 5 |
| 1938 | 5 |
| 1941 | 6 |
| 1942 | 8 |
| 1943 | 5 |
| 1946 | 5 |
| 1947 | 7 |
| 1948 | 10 |
| 1950 | 15 |
| 1951 | 5 |
| 1952 | 6 |
| 1953 | 6 |
| 1954 | 15 |
| 1962 | 5 |
| 1964 | 6 |
| 1967 | 5 |
| 1986 | 7 |
| 2011 | 6 |