international drug markets Economic aid: donor - ODA and OOF bilateral commitments (1970-89), $2.15 billion; Communist countries (1970-89), $38 million Currency: 1 quetzal (Q) = 100 pesewas Exchange rates: nuevo sol (S/.) = 100 centimes Exchange rates: kwanza (Kz) = 100 centimes *Chad, Economy Exchange rates: Danish kroner (DKr) per US$1 - 5.4812 (January 1993), 5.2938 (1992), 5.6421 (1991), 5.4453 (1990), 6.3801 (1989), 5.9569 (1988); Spanish pesetas (Ptas) per
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