| Year | Count |
|---|---|
| 1914 | 5 |
| 1915 | 5 |
| 1916 | 14 |
| 1918 | 12 |
| 1919 | 19 |
| 1920 | 15 |
| 1921 | 30 |
| 1922 | 35 |
| 1924 | 14 |
| 1925 | 15 |
| 1926 | 12 |
| 1927 | 18 |
| 1928 | 6 |
| 1929 | 12 |
| 1930 | 8 |
| 1931 | 11 |
| 1932 | 45 |
| 1933 | 21 |
| 1935 | 25 |
| 1936 | 33 |
| 1938 | 16 |
| 1939 | 11 |
| 1940 | 5 |
| 1941 | 12 |
| 1943 | 5 |
| 1944 | 5 |
| 1948 | 16 |
| 1956 | 15 |
| 2014 | 16 |
| 2015 | 29 |
| 2016 | 20 |
| 2017 | 17 |
| 2018 | 5 |
| 2019 | 5 |
| 2021 | 8 |
| 2022 | 10 |
| 2023 | 5 |
| 2024 | 5 |