| Year | Count |
|---|---|
| 1910 | 16 |
| 1912 | 32 |
| 1913 | 22 |
| 1914 | 16 |
| 1915 | 32 |
| 1916 | 64 |
| 1917 | 62 |
| 1918 | 82 |
| 1919 | 70 |
| 1920 | 52 |
| 1921 | 37 |
| 1922 | 64 |
| 1923 | 58 |
| 1924 | 70 |
| 1925 | 49 |
| 1926 | 78 |
| 1927 | 69 |
| 1928 | 27 |
| 1929 | 66 |
| 1930 | 98 |
| 1931 | 30 |
| 1932 | 24 |
| 1933 | 21 |
| 1934 | 42 |
| 1935 | 35 |
| 1936 | 14 |
| 1937 | 10 |
| 1938 | 15 |
| 1939 | 7 |
| 1940 | 33 |
| 1941 | 6 |
| 1943 | 18 |
| 1944 | 11 |
| 1945 | 5 |
| 1946 | 6 |
| 1947 | 8 |
| 1949 | 8 |
| 1950 | 5 |
| 1951 | 11 |
| 1952 | 5 |
| 1953 | 14 |
| 1954 | 5 |
| 1956 | 6 |
| 1957 | 12 |
| 1958 | 5 |
| 1986 | 5 |
| 1994 | 5 |
| 1996 | 5 |
| 2006 | 5 |
| 2007 | 6 |
| 2010 | 9 |
| 2012 | 12 |
| 2015 | 10 |
| 2016 | 12 |
| 2017 | 46 |
| 2018 | 12 |
| 2019 | 11 |
| 2020 | 10 |
| 2021 | 10 |
| 2022 | 13 |
| 2023 | 8 |
| 2024 | 13 |