00311nam a2200109Ia 4500082002300000100008400023245004900107260002900156300000600185500000500191700000500196  aSC:382(1)bUn58.YI  aUnited Nations. Economic and Social Affairs, Department of-. Statistical Office  aYearbook of international trade statisticsb  aNew YorkbUnited Nations  a   a  a