| Year | Count |
|---|---|
| 1910 | 13 |
| 1911 | 14 |
| 1912 | 12 |
| 1913 | 13 |
| 1914 | 24 |
| 1915 | 12 |
| 1916 | 19 |
| 1917 | 20 |
| 1918 | 11 |
| 1919 | 10 |
| 1920 | 7 |
| 1921 | 9 |
| 1922 | 16 |
| 1923 | 12 |
| 1924 | 24 |
| 1927 | 20 |
| 1928 | 14 |
| 1929 | 12 |
| 1930 | 16 |
| 1934 | 6 |
| 1935 | 8 |
| 1938 | 11 |
| 1939 | 6 |
| 1941 | 6 |
| 1942 | 7 |
| 1944 | 6 |
| 1947 | 10 |
| 1948 | 6 |
| 1950 | 6 |
| 1974 | 5 |
| 1976 | 10 |
| 1994 | 5 |
| 1999 | 8 |
| 2006 | 5 |
| 2015 | 18 |
| 2017 | 15 |