| Year | Count |
|---|---|
| 1914 | 5 |
| 1917 | 7 |
| 1918 | 15 |
| 1919 | 11 |
| 1920 | 12 |
| 1922 | 12 |
| 1923 | 6 |
| 1924 | 17 |
| 1925 | 5 |
| 1926 | 24 |
| 1927 | 15 |
| 1928 | 21 |
| 1929 | 5 |
| 1930 | 5 |
| 1932 | 15 |
| 1933 | 7 |
| 1935 | 10 |
| 1936 | 6 |
| 1937 | 9 |
| 1939 | 10 |
| 1940 | 5 |
| 1942 | 12 |
| 1943 | 12 |
| 1948 | 5 |
| 1954 | 5 |
| 1955 | 5 |
| 1956 | 17 |
| 1957 | 5 |
| 1958 | 31 |
| 1959 | 5 |
| 1960 | 15 |
| 1961 | 10 |
| 1967 | 5 |
| 1968 | 5 |
| 1969 | 13 |
| 1970 | 7 |
| 1971 | 6 |
| 1972 | 5 |
| 2014 | 15 |
| 2015 | 72 |
| 2016 | 113 |
| 2017 | 150 |
| 2018 | 97 |
| 2019 | 142 |
| 2020 | 78 |
| 2021 | 69 |
| 2022 | 86 |
| 2023 | 127 |
| 2024 | 98 |