| Year | Count |
|---|---|
| 1922 | 5 |
| 1924 | 10 |
| 1926 | 22 |
| 1927 | 10 |
| 1928 | 10 |
| 1929 | 25 |
| 1930 | 29 |
| 1931 | 31 |
| 1932 | 45 |
| 1933 | 31 |
| 1934 | 48 |
| 1935 | 22 |
| 1936 | 27 |
| 1937 | 34 |
| 1938 | 41 |
| 1939 | 29 |
| 1940 | 26 |
| 1941 | 31 |
| 1942 | 13 |
| 1943 | 21 |
| 1944 | 16 |
| 1945 | 10 |
| 1946 | 17 |
| 1947 | 31 |
| 1948 | 22 |
| 1949 | 47 |
| 1950 | 14 |
| 1951 | 45 |
| 1952 | 34 |
| 1953 | 8 |
| 1954 | 6 |
| 1955 | 10 |