| Year | Count |
|---|---|
| 1913 | 10 |
| 1914 | 20 |
| 1915 | 19 |
| 1916 | 37 |
| 1917 | 58 |
| 1918 | 70 |
| 1919 | 76 |
| 1920 | 67 |
| 1921 | 51 |
| 1922 | 85 |
| 1923 | 75 |
| 1924 | 43 |
| 1925 | 54 |
| 1926 | 52 |
| 1927 | 11 |
| 1928 | 59 |
| 1929 | 21 |
| 1930 | 23 |
| 1931 | 28 |
| 1932 | 42 |
| 1933 | 38 |
| 1935 | 57 |
| 1936 | 21 |
| 1938 | 24 |
| 1939 | 5 |
| 1942 | 5 |
| 1944 | 5 |
| 1947 | 22 |
| 1950 | 10 |
| 1953 | 6 |
| 1956 | 5 |