| Year | Count |
|---|---|
| 1910 | 6 |
| 1914 | 6 |
| 1915 | 5 |
| 1916 | 10 |
| 1917 | 5 |
| 1918 | 10 |
| 1920 | 12 |
| 1921 | 9 |
| 1922 | 10 |
| 1923 | 18 |
| 1924 | 14 |
| 1925 | 12 |
| 1926 | 22 |
| 1927 | 10 |
| 1928 | 16 |
| 1929 | 16 |
| 1930 | 14 |
| 1932 | 5 |
| 1933 | 6 |
| 1934 | 5 |
| 1935 | 5 |
| 1940 | 6 |
| 1943 | 5 |
| 1944 | 5 |
| 1947 | 5 |
| 1948 | 5 |
| 1949 | 9 |
| 1951 | 6 |
| 1952 | 7 |
| 1957 | 10 |
| 1958 | 10 |
| 1960 | 10 |
| 1961 | 6 |
| 1964 | 6 |