| Year | Count |
|---|---|
| 1914 | 16 |
| 1915 | 17 |
| 1916 | 24 |
| 1917 | 55 |
| 1918 | 27 |
| 1919 | 56 |
| 1920 | 37 |
| 1921 | 31 |
| 1922 | 30 |
| 1923 | 44 |
| 1924 | 33 |
| 1925 | 29 |
| 1926 | 24 |
| 1927 | 28 |
| 1928 | 25 |
| 1932 | 11 |
| 1933 | 5 |
| 1934 | 22 |
| 1935 | 5 |
| 1936 | 20 |
| 1937 | 21 |
| 1938 | 10 |
| 1939 | 13 |
| 1940 | 23 |
| 1941 | 5 |
| 1942 | 15 |
| 1943 | 16 |
| 1944 | 16 |
| 1945 | 18 |
| 1946 | 21 |
| 1947 | 47 |
| 1948 | 20 |
| 1949 | 12 |
| 1950 | 38 |
| 1951 | 16 |
| 1961 | 6 |
| 1963 | 10 |
| 1967 | 10 |
| 1968 | 7 |
| 1969 | 10 |
| 1973 | 5 |
| 1992 | 5 |
| 1994 | 6 |
| 2006 | 10 |
| 2007 | 6 |
| 2009 | 5 |
| 2010 | 6 |
| 2014 | 14 |
| 2015 | 5 |
| 2017 | 18 |
| 2018 | 12 |
| 2022 | 6 |
| 2024 | 5 |