| Year | Count |
|---|---|
| 1913 | 11 |
| 1914 | 24 |
| 1915 | 28 |
| 1916 | 24 |
| 1917 | 58 |
| 1918 | 59 |
| 1919 | 23 |
| 1920 | 58 |
| 1921 | 101 |
| 1922 | 60 |
| 1923 | 51 |
| 1924 | 26 |
| 1925 | 55 |
| 1926 | 30 |
| 1927 | 32 |
| 1928 | 19 |
| 1929 | 21 |
| 1930 | 20 |
| 1931 | 27 |
| 1932 | 25 |
| 1933 | 12 |
| 1934 | 15 |
| 1935 | 12 |
| 1936 | 12 |
| 1937 | 20 |
| 1938 | 12 |
| 1939 | 25 |
| 1940 | 20 |
| 1941 | 21 |
| 1943 | 12 |
| 1947 | 15 |