| Year | Count |
|---|---|
| 1911 | 6 |
| 1912 | 22 |
| 1913 | 45 |
| 1914 | 45 |
| 1915 | 81 |
| 1916 | 77 |
| 1917 | 125 |
| 1918 | 108 |
| 1919 | 100 |
| 1920 | 87 |
| 1921 | 122 |
| 1922 | 106 |
| 1923 | 111 |
| 1924 | 86 |
| 1925 | 96 |
| 1926 | 85 |
| 1927 | 60 |
| 1928 | 72 |
| 1929 | 58 |
| 1930 | 51 |
| 1931 | 64 |
| 1932 | 54 |
| 1933 | 53 |
| 1934 | 52 |
| 1935 | 26 |
| 1936 | 48 |
| 1937 | 15 |
| 1938 | 14 |
| 1939 | 38 |
| 1940 | 14 |
| 1941 | 44 |
| 1942 | 15 |
| 1943 | 12 |
| 1944 | 38 |
| 1945 | 10 |
| 1946 | 28 |
| 1947 | 21 |
| 1956 | 20 |
| 1959 | 5 |
| 1985 | 5 |
| 2007 | 5 |
| 2010 | 10 |
| 2022 | 5 |