| Year | Count |
|---|---|
| 1910 | 108 |
| 1911 | 70 |
| 1912 | 103 |
| 1913 | 102 |
| 1914 | 108 |
| 1915 | 91 |
| 1916 | 133 |
| 1917 | 105 |
| 1918 | 104 |
| 1919 | 83 |
| 1920 | 97 |
| 1921 | 62 |
| 1922 | 74 |
| 1923 | 70 |
| 1924 | 66 |
| 1925 | 142 |
| 1926 | 121 |
| 1927 | 121 |
| 1928 | 90 |
| 1929 | 79 |
| 1930 | 111 |
| 1931 | 74 |
| 1932 | 69 |
| 1933 | 61 |
| 1934 | 73 |
| 1935 | 87 |
| 1936 | 62 |
| 1937 | 58 |
| 1938 | 26 |
| 1939 | 12 |
| 1940 | 29 |
| 1941 | 56 |
| 1942 | 30 |
| 1943 | 23 |
| 1944 | 12 |
| 1945 | 23 |
| 1946 | 36 |
| 1947 | 24 |
| 1948 | 18 |
| 1949 | 32 |
| 1950 | 20 |
| 1951 | 18 |
| 1953 | 14 |
| 1954 | 33 |