1964
1978
1982
1988
1965
1980
1975
1988
1977
1978
1986
1979
1986
1967
1965
1983
1970
1970
1986
1986
1987
1975
1966
1964
1967
1980
1970
1973
1965
1990
1979
1989
1969
1970
1965
1965
1971
1978
1975
1965
1986
1988
1984
1989
1969
1979
1977
1981
1979
1982
1985
1967
1972
1979
1988
1974
1968
1979
1987
1985
1989
1977
1966
1982
1967
1975
1976
1968
1975
Comments