| Year | Count |
|---|---|
| 1912 | 12 |
| 1913 | 15 |
| 1914 | 26 |
| 1915 | 31 |
| 1916 | 54 |
| 1917 | 55 |
| 1918 | 64 |
| 1919 | 53 |
| 1920 | 29 |
| 1921 | 55 |
| 1922 | 49 |
| 1923 | 25 |
| 1924 | 32 |
| 1925 | 22 |
| 1926 | 18 |
| 1927 | 22 |
| 1930 | 26 |
| 1931 | 5 |
| 1932 | 6 |
| 1933 | 11 |
| 1934 | 5 |
| 1935 | 5 |
| 1936 | 12 |
| 1937 | 10 |
| 1938 | 6 |
| 1939 | 12 |
| 1940 | 6 |
| 1941 | 20 |
| 1943 | 12 |
| 1945 | 10 |
| 1946 | 15 |
| 1947 | 6 |
| 1948 | 6 |
| 1949 | 14 |
| 1953 | 26 |
| 1955 | 11 |
| 1960 | 5 |
| 1982 | 5 |
| 1999 | 10 |
| 2005 | 14 |
| 2006 | 5 |
| 2011 | 17 |
| 2012 | 21 |
| 2013 | 22 |
| 2014 | 49 |
| 2015 | 102 |
| 2016 | 121 |
| 2017 | 165 |
| 2018 | 403 |
| 2019 | 403 |
| 2020 | 500 |
| 2021 | 581 |
| 2022 | 394 |
| 2023 | 327 |
| 2024 | 289 |