| Year | Count |
|---|---|
| 1913 | 10 |
| 1914 | 26 |
| 1915 | 12 |
| 1916 | 22 |
| 1917 | 22 |
| 1918 | 59 |
| 1919 | 15 |
| 1920 | 47 |
| 1921 | 42 |
| 1922 | 16 |
| 1923 | 62 |
| 1924 | 60 |
| 1925 | 26 |
| 1926 | 49 |
| 1927 | 66 |
| 1928 | 33 |
| 1929 | 41 |
| 1930 | 48 |
| 1931 | 40 |
| 1932 | 30 |
| 1934 | 12 |
| 1935 | 30 |
| 1936 | 6 |
| 1937 | 5 |
| 1939 | 25 |
| 1940 | 12 |
| 1941 | 12 |
| 1942 | 10 |
| 1948 | 5 |
| 1949 | 10 |
| 1958 | 5 |