| Year | Count |
|---|---|
| 1910 | 6 |
| 1912 | 10 |
| 1913 | 13 |
| 1914 | 6 |
| 1915 | 46 |
| 1916 | 77 |
| 1917 | 59 |
| 1918 | 94 |
| 1919 | 60 |
| 1920 | 84 |
| 1921 | 37 |
| 1922 | 64 |
| 1923 | 51 |
| 1924 | 54 |
| 1925 | 72 |
| 1926 | 50 |
| 1927 | 60 |
| 1928 | 52 |
| 1929 | 35 |
| 1931 | 5 |
| 1932 | 30 |
| 1933 | 41 |
| 1934 | 41 |
| 1935 | 18 |
| 1936 | 44 |
| 1937 | 19 |
| 1938 | 15 |
| 1939 | 39 |
| 1940 | 5 |
| 1941 | 11 |
| 1942 | 5 |
| 1943 | 6 |
| 1944 | 10 |
| 1945 | 12 |
| 1946 | 9 |
| 1947 | 30 |
| 1948 | 26 |
| 1949 | 13 |
| 1950 | 39 |
| 1951 | 23 |
| 1952 | 5 |
| 1953 | 10 |
| 1954 | 5 |
| 1958 | 10 |
| 1961 | 15 |
| 1979 | 5 |
| 2008 | 10 |
| 2011 | 10 |
| 2014 | 14 |
| 2016 | 12 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 22 |
| 2020 | 43 |
| 2021 | 29 |
| 2022 | 15 |
| 2023 | 18 |
| 2024 | 20 |