| Year | Count |
|---|---|
| 1912 | 17 |
| 1913 | 12 |
| 1914 | 35 |
| 1915 | 87 |
| 1916 | 81 |
| 1917 | 45 |
| 1918 | 81 |
| 1919 | 109 |
| 1920 | 106 |
| 1921 | 110 |
| 1922 | 146 |
| 1923 | 114 |
| 1924 | 103 |
| 1925 | 98 |
| 1926 | 71 |
| 1927 | 110 |
| 1928 | 76 |
| 1929 | 90 |
| 1930 | 68 |
| 1931 | 72 |
| 1932 | 56 |
| 1933 | 37 |
| 1934 | 108 |
| 1935 | 78 |
| 1936 | 52 |
| 1937 | 45 |
| 1938 | 39 |
| 1939 | 35 |
| 1940 | 16 |
| 1941 | 25 |
| 1942 | 14 |
| 1943 | 27 |
| 1944 | 31 |
| 1945 | 27 |
| 1946 | 17 |
| 1947 | 12 |
| 1948 | 6 |
| 1950 | 10 |
| 1952 | 25 |
| 1953 | 10 |
| 1957 | 12 |
| 1958 | 7 |
| 1966 | 5 |
| 1967 | 10 |
| 1973 | 5 |
| 2015 | 5 |
| 2016 | 10 |
| 2017 | 7 |
| 2020 | 6 |
| 2022 | 5 |
| 2024 | 6 |