1969
1960
1983
1981
1959
1969
1963
1970
1969
1967
1967
1970
1960
1972
1970
1989
1990
1968
1955
1989
1959
1955
1960
1959
1967
1969
1977
1981
1975
1970
1977
1967
1991
1990
1962
1986
1961
1960
1968
1960
1982
1990
1966
1967
1979
1959
1970
1966
1966
1972
1972
1968
1970
1982
1975
1970
1962
1990
1970
1960
1969
1982
1992
1981
1977
1971
1983
1963
1970
1968
1989
1982
1979
1980
1976
1968
1972
1962
1968
1962
1980
1969
1968
1958
1970
1955
1957
1956
1981
1960
1971
1970
1978
1960
1969
1971
1960
1959
1957
1956
1982
1973
1960
1981
1961
1973
1969
1974
1972
1968
1969
1963
1961
1960
1960
1964
1968
Comments