| Year | Count |
|---|---|
| 1910 | 5 |
| 1912 | 28 |
| 1913 | 25 |
| 1914 | 62 |
| 1915 | 126 |
| 1916 | 125 |
| 1917 | 121 |
| 1918 | 114 |
| 1919 | 162 |
| 1920 | 112 |
| 1921 | 119 |
| 1922 | 92 |
| 1923 | 120 |
| 1924 | 110 |
| 1925 | 101 |
| 1926 | 105 |
| 1927 | 68 |
| 1928 | 62 |
| 1929 | 54 |
| 1930 | 33 |
| 1931 | 47 |
| 1932 | 57 |
| 1933 | 26 |
| 1934 | 30 |
| 1935 | 26 |
| 1936 | 10 |
| 1937 | 23 |
| 1938 | 11 |
| 1939 | 18 |
| 1940 | 6 |
| 1941 | 11 |
| 1942 | 17 |
| 1943 | 45 |
| 1944 | 15 |
| 1945 | 5 |
| 1946 | 5 |
| 1947 | 5 |
| 1952 | 6 |
| 1957 | 10 |
| 1958 | 6 |
| 1964 | 5 |
| 2002 | 6 |
| 2003 | 6 |
| 2011 | 5 |
| 2015 | 12 |