| Year | Count |
|---|---|
| 1910 | 24 |
| 1912 | 5 |
| 1913 | 5 |
| 1914 | 5 |
| 1915 | 33 |
| 1916 | 23 |
| 1917 | 18 |
| 1918 | 50 |
| 1919 | 27 |
| 1920 | 23 |
| 1921 | 47 |
| 1922 | 44 |
| 1923 | 22 |
| 1924 | 31 |
| 1925 | 70 |
| 1926 | 16 |
| 1927 | 60 |
| 1928 | 29 |
| 1929 | 26 |
| 1930 | 33 |
| 1931 | 38 |
| 1932 | 39 |
| 1933 | 55 |
| 1934 | 63 |
| 1935 | 27 |
| 1936 | 33 |
| 1937 | 64 |
| 1938 | 18 |
| 1939 | 18 |
| 1940 | 11 |
| 1941 | 25 |
| 1942 | 14 |
| 1943 | 19 |
| 1944 | 6 |
| 1945 | 12 |
| 1946 | 10 |
| 1947 | 21 |
| 1951 | 6 |
| 1953 | 15 |
| 1956 | 10 |
| 2007 | 12 |
| 2008 | 5 |
| 2009 | 10 |
| 2011 | 7 |
| 2012 | 29 |
| 2013 | 17 |
| 2014 | 26 |
| 2015 | 10 |
| 2016 | 37 |
| 2017 | 27 |
| 2018 | 48 |
| 2019 | 32 |
| 2020 | 10 |
| 2021 | 44 |
| 2022 | 8 |
| 2023 | 21 |
| 2024 | 12 |