| Year | Count |
|---|---|
| 1913 | 5 |
| 1915 | 10 |
| 1916 | 9 |
| 1917 | 7 |
| 1918 | 6 |
| 1919 | 11 |
| 1920 | 11 |
| 1921 | 12 |
| 1922 | 24 |
| 1923 | 24 |
| 1924 | 22 |
| 1925 | 28 |
| 1926 | 34 |
| 1927 | 22 |
| 1928 | 34 |
| 1929 | 24 |
| 1933 | 7 |
| 1934 | 6 |
| 1936 | 6 |
| 1939 | 9 |
| 1940 | 5 |
| 1941 | 5 |
| 1942 | 7 |
| 1946 | 7 |
| 1947 | 7 |
| 1948 | 8 |
| 1949 | 11 |
| 1952 | 9 |
| 1954 | 9 |
| 1956 | 5 |
| 1958 | 14 |
| 1959 | 12 |
| 1960 | 12 |
| 1961 | 24 |
| 1962 | 5 |
| 1963 | 8 |
| 1964 | 9 |
| 1965 | 5 |
| 2011 | 9 |
| 2012 | 6 |
| 2013 | 10 |
| 2014 | 12 |
| 2015 | 33 |
| 2016 | 33 |
| 2017 | 30 |
| 2018 | 10 |
| 2019 | 18 |
| 2020 | 10 |
| 2021 | 10 |
| 2022 | 26 |
| 2023 | 18 |
| 2024 | 26 |