Year
Undated
1918
1920-s
1922
1923
1924
1924?
1925
1926
1926-1927
1928
1929
1930-s
1931
1932
1933
1934
1935
1936
1937
1938
1939
1939-1942
1940
1940-s
1941
1942
1942?
1943
1944
1945
1946
1947
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1960-s
1961
1962
1963
1964
1965
1966
1967
1967-1968
1968
1969
1970
1971
1972
1973
1974
1976
1977