| Year | Count |
|---|---|
| 1910 | 48 |
| 1911 | 24 |
| 1912 | 16 |
| 1913 | 14 |
| 1914 | 22 |
| 1915 | 20 |
| 1916 | 18 |
| 1917 | 10 |
| 1918 | 22 |
| 1920 | 22 |
| 1922 | 16 |
| 1925 | 24 |
| 1927 | 10 |
| 1929 | 66 |
| 1930 | 60 |
| 1931 | 6 |
| 1932 | 6 |
| 1933 | 8 |
| 1934 | 8 |
| 1935 | 14 |
| 1936 | 5 |
| 1937 | 6 |
| 1938 | 12 |
| 1939 | 5 |
| 1940 | 5 |
| 1941 | 10 |
| 1942 | 7 |
| 1943 | 6 |
| 1944 | 5 |
| 1945 | 10 |
| 1947 | 10 |
| 1968 | 10 |