| Year | Count |
|---|---|
| 1913 | 20 |
| 1914 | 28 |
| 1915 | 19 |
| 1916 | 61 |
| 1917 | 36 |
| 1918 | 44 |
| 1919 | 50 |
| 1920 | 44 |
| 1921 | 48 |
| 1922 | 26 |
| 1923 | 44 |
| 1924 | 46 |
| 1925 | 74 |
| 1926 | 57 |
| 1927 | 42 |
| 1928 | 37 |
| 1929 | 54 |
| 1930 | 15 |
| 1931 | 62 |
| 1933 | 15 |
| 1934 | 24 |
| 1935 | 18 |
| 1936 | 31 |
| 1937 | 12 |
| 1938 | 12 |
| 1939 | 5 |
| 1940 | 24 |
| 1941 | 15 |
| 1942 | 30 |
| 1946 | 5 |
| 1948 | 15 |
| 1949 | 5 |
| 1950 | 21 |
| 1953 | 5 |
| 1954 | 5 |
| 1955 | 5 |
| 2005 | 6 |
| 2009 | 10 |
| 2010 | 14 |
| 2011 | 16 |
| 2012 | 25 |
| 2013 | 52 |
| 2014 | 61 |
| 2015 | 75 |
| 2016 | 98 |
| 2017 | 138 |
| 2018 | 125 |
| 2019 | 128 |
| 2020 | 197 |
| 2021 | 223 |
| 2022 | 203 |
| 2023 | 207 |
| 2024 | 253 |