| Year | Count |
|---|---|
| 1910 | 21 |
| 1911 | 33 |
| 1912 | 14 |
| 1913 | 17 |
| 1914 | 18 |
| 1915 | 17 |
| 1916 | 46 |
| 1917 | 20 |
| 1918 | 20 |
| 1919 | 10 |
| 1920 | 16 |
| 1921 | 34 |
| 1922 | 10 |
| 1923 | 12 |
| 1924 | 10 |
| 1925 | 56 |
| 1926 | 59 |
| 1927 | 45 |
| 1928 | 9 |
| 1929 | 26 |
| 1930 | 28 |
| 1931 | 48 |
| 1932 | 24 |
| 1933 | 20 |
| 1934 | 39 |
| 1935 | 49 |
| 1936 | 38 |
| 1938 | 20 |
| 1939 | 10 |
| 1940 | 24 |
| 1942 | 6 |
| 1943 | 6 |
| 1945 | 17 |
| 1946 | 14 |
| 1947 | 12 |
| 1952 | 12 |
| 1958 | 12 |
| 1961 | 10 |