| Year | Count |
|---|---|
| 1917 | 7 |
| 1918 | 11 |
| 1919 | 17 |
| 1920 | 6 |
| 1921 | 5 |
| 1922 | 14 |
| 1923 | 6 |
| 1924 | 23 |
| 1925 | 20 |
| 1926 | 26 |
| 1927 | 8 |
| 1928 | 16 |
| 1929 | 25 |
| 1930 | 13 |
| 1932 | 12 |
| 1933 | 6 |
| 1934 | 10 |
| 1935 | 15 |
| 1936 | 22 |
| 1939 | 17 |
| 1940 | 14 |
| 1941 | 6 |
| 1942 | 10 |
| 1943 | 11 |
| 1944 | 12 |
| 1946 | 13 |
| 1947 | 11 |
| 1948 | 13 |
| 1949 | 11 |
| 1951 | 12 |
| 1953 | 21 |
| 1955 | 5 |
| 2013 | 12 |
| 2014 | 5 |
| 2015 | 5 |
| 2016 | 42 |
| 2017 | 26 |
| 2018 | 82 |
| 2019 | 59 |
| 2020 | 81 |
| 2021 | 85 |
| 2022 | 115 |
| 2023 | 137 |
| 2024 | 141 |