1975
1991
1983
1967
1988
1961
1980
1952
1957
1981
1967
1968
1979
1964
1976
1951
1972
1976
1966
1951
1960
1959
1968
1957
1970
1970
1955
1968
1960
1949
1956
1976
1985
1956
1982
1969
1960
1978
1978
1954
1978
1963
1975
1991
1974
1963
1964
1955
1974
1970
1964
1966
1952
1974
1959
1964
1965
1950
1963
1977
1983
1965
1953
1968
1976
1954
1953
1976
1950
1968
1976
1995
1955
1978
1978
1979
1952
1967
1971
1969
1977
1973
Comments