1947
1949
1950
1947
1954
1956
1956
1980
1956
1958
1974
1951
1950
1945
1965
1954
1955
1948
1961
1975
1957
1961
1958
1966
1959
1955
1951
1968
1958
1963
1970
1969
1951
1938
1956
1960
1951
1955
1972
1961
1950
1946
1962
1962
1945
1939
1962
1959
1940
1950
1981
1969
1961
1970
1954
1968
1938
1945
1937
1950
1943
1962
1958
1957
1960
1957
1950
1945
1951
1950
1953
1949
1941
1935
1949
1947
1938
1940
1966
1965
1956
1968
1947
1936
1966
1968
1965
1944
1964
1963
1959
1965
1961
1978
1977
1938
1937
1950
1971
1957
1963
1967
1961
1955
1949
1965
1960
1962
1957
1952
1954
1958
1955
1965
1961
1951
1949
1936
1960
1962
1957
1948
1980
1950
1963
1943
1962
1956
1940
1966
1976
1960
1965
1951
1964
1967
1968
1967
1959
1968
1975
1952
1964
1969
1952
1944
1968
1980
1944
1953
1965
1947
1958
1962
1968
1939
1950
1971
1952
1953
1958
1958
1955
1960
1957
1950
Comments