1959
1968
1962
1968
1969
1969
1970
1969
1971
1974
1977
1975
1981
1980
1983
1985
1982
1986
1962
1966
1967
1967
1967
1967
1968
1968
1968
1968
1968
1968
1963
1963
1968
1968
1968
1969
1969
1969
1969
1969
1969
1969
1969
1969
1969
1969
1969
1970
1970
1970
1970
1970
1970
1970
1969
1969
1971
1971
1971
1971
1972
1973
1973
´
1974
1974
1975
1975
1976
1976
1978
1978
1979
1979
1980
1980
1979
80,83,86
1981
1981
81,84
82,85,86
1981
1981
1982
1982
1982
1982
1983
1983
1984
1984
1984
1985
1985
1985
1985
1985
1985
1983
1983
1984
1985
1986
1986
1986
1986