| Year | Count |
|---|---|
| 1910 | 70 |
| 1911 | 53 |
| 1912 | 91 |
| 1913 | 113 |
| 1914 | 143 |
| 1915 | 207 |
| 1915 | 5 |
| 1916 | 222 |
| 1917 | 188 |
| 1918 | 164 |
| 1919 | 147 |
| 1920 | 142 |
| 1921 | 128 |
| 1922 | 126 |
| 1923 | 111 |
| 1924 | 120 |
| 1925 | 144 |
| 1926 | 85 |
| 1927 | 150 |
| 1928 | 86 |
| 1929 | 135 |
| 1930 | 66 |
| 1931 | 81 |
| 1932 | 88 |
| 1933 | 39 |
| 1934 | 75 |
| 1935 | 56 |
| 1936 | 50 |
| 1937 | 30 |
| 1938 | 27 |
| 1939 | 53 |
| 1940 | 18 |
| 1941 | 19 |
| 1942 | 10 |
| 1943 | 10 |
| 1944 | 28 |
| 1945 | 9 |
| 1946 | 19 |
| 1947 | 6 |
| 1949 | 6 |
| 1951 | 19 |
| 1957 | 18 |
| 1960 | 16 |
| 2014 | 10 |