| Year | Count |
|---|---|
| 1910 | 87 |
| 1911 | 87 |
| 1912 | 118 |
| 1913 | 89 |
| 1914 | 119 |
| 1915 | 142 |
| 1916 | 188 |
| 1917 | 170 |
| 1918 | 179 |
| 1919 | 121 |
| 1920 | 131 |
| 1921 | 124 |
| 1922 | 128 |
| 1923 | 154 |
| 1924 | 94 |
| 1925 | 108 |
| 1926 | 81 |
| 1927 | 41 |
| 1928 | 35 |
| 1929 | 51 |
| 1930 | 20 |
| 1931 | 15 |
| 1932 | 5 |
| 1933 | 10 |
| 1934 | 13 |
| 1935 | 23 |
| 1936 | 12 |
| 1937 | 16 |
| 1938 | 10 |
| 1940 | 8 |
| 1941 | 6 |
| 1943 | 12 |
| 1945 | 5 |
| 1948 | 5 |
| 1950 | 5 |
| 1951 | 6 |
| 1955 | 7 |
| 1957 | 7 |
| 1958 | 5 |
| 1959 | 8 |
| 1961 | 6 |
| 1964 | 5 |
| 1965 | 5 |
| 1970 | 5 |
| 1972 | 5 |
| 1974 | 5 |
| 2010 | 5 |
| 2012 | 5 |
| 2014 | 5 |
| 2015 | 25 |
| 2016 | 6 |
| 2018 | 14 |
| 2021 | 11 |
| 2022 | 16 |