| Year | Count |
|---|---|
| 1910 | 15 |
| 1911 | 14 |
| 1912 | 14 |
| 1913 | 17 |
| 1914 | 20 |
| 1915 | 30 |
| 1916 | 25 |
| 1917 | 17 |
| 1918 | 23 |
| 1919 | 25 |
| 1920 | 30 |
| 1921 | 24 |
| 1922 | 48 |
| 1923 | 40 |
| 1924 | 42 |
| 1925 | 42 |
| 1926 | 48 |
| 1927 | 34 |
| 1928 | 24 |
| 1929 | 22 |
| 1930 | 26 |
| 1931 | 12 |
| 1932 | 10 |
| 1933 | 9 |
| 1934 | 9 |
| 1935 | 6 |
| 1936 | 8 |
| 1938 | 8 |
| 1939 | 6 |
| 1941 | 8 |
| 1942 | 7 |
| 1943 | 5 |
| 1944 | 5 |
| 1946 | 6 |
| 1947 | 6 |
| 1950 | 5 |
| 1957 | 16 |
| 1983 | 5 |
| 1999 | 7 |
| 2001 | 6 |
| 2002 | 5 |
| 2003 | 15 |
| 2005 | 8 |
| 2006 | 7 |
| 2015 | 15 |
| 2016 | 15 |
| 2019 | 12 |
| 2021 | 6 |
| 2022 | 10 |