... used for information dated before 3 October 1990 or CY91 FY fiscal year GDP gross domestic product GDR German Democratic Republic (East Germany); used for information dated before 3 October 1990 or CY91 GNP gross national product GRT gross register ton km kilometer km2 square kilometer kW kilowatt kWh kilowatt-hour m meter NA not available NEGL negligible nm nautical mile NZ New Zealand ODA official development assistance OOF other official flows PDRY People's Democratic Republic of Yemen [Yemen (Aden) or South Yemen]; ... — The 1991 CIA World Factbook • United States. Central Intelligence Agency.
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