1972 1970 1976 1974
1975 1979 1977 1973
1973 1977 1975 1971
1970 1974 1978 1972
1970 1974 1976 1972
1972 1974 1976 1970
1974 1977 1979 1971
1974 1976 1978 1972
1973 1979 1976 1970
1979 1975 1973 1977