| Year | Count |
|---|---|
| 1910 | 74 |
| 1911 | 46 |
| 1912 | 78 |
| 1913 | 61 |
| 1914 | 98 |
| 1915 | 116 |
| 1916 | 88 |
| 1917 | 88 |
| 1918 | 109 |
| 1919 | 100 |
| 1920 | 94 |
| 1921 | 125 |
| 1922 | 86 |
| 1923 | 59 |
| 1924 | 61 |
| 1925 | 126 |
| 1926 | 106 |
| 1927 | 75 |
| 1928 | 74 |
| 1929 | 76 |
| 1930 | 43 |
| 1931 | 36 |
| 1932 | 59 |
| 1933 | 11 |
| 1934 | 10 |
| 1935 | 35 |
| 1936 | 12 |
| 1937 | 52 |
| 1938 | 21 |
| 1939 | 13 |
| 1940 | 10 |
| 1941 | 12 |
| 1943 | 15 |
| 1944 | 5 |
| 1945 | 6 |
| 1946 | 6 |
| 1948 | 6 |
| 1949 | 6 |
| 1950 | 6 |
| 1951 | 6 |
| 1953 | 5 |
| 1954 | 5 |