| Year | Count |
|---|---|
| 1910 | 5 |
| 1911 | 7 |
| 1913 | 8 |
| 1914 | 7 |
| 1915 | 8 |
| 1916 | 13 |
| 1917 | 11 |
| 1918 | 15 |
| 1919 | 14 |
| 1920 | 18 |
| 1921 | 12 |
| 1923 | 32 |
| 1924 | 32 |
| 1925 | 24 |
| 1926 | 24 |
| 1927 | 36 |
| 1928 | 30 |
| 1929 | 14 |
| 1930 | 12 |
| 1931 | 8 |
| 1932 | 13 |
| 1933 | 8 |
| 1934 | 5 |
| 1935 | 8 |
| 1936 | 6 |
| 1939 | 8 |
| 1941 | 5 |
| 1943 | 8 |
| 1944 | 7 |
| 1946 | 7 |
| 1947 | 6 |
| 1948 | 6 |
| 1949 | 5 |
| 1950 | 5 |
| 1951 | 6 |
| 1952 | 9 |
| 1955 | 9 |
| 1970 | 5 |
| 2012 | 5 |
| 2013 | 6 |
| 2017 | 21 |
| 2018 | 12 |
| 2019 | 10 |
| 2021 | 10 |