Belgium Exports of unsaturated acyclic or cyclic monocarboxylic acids, their anhydrides to Guyana was US$779 during 2022, according to the United Nations COMTRADE database on international trade. Belgium Exports of unsaturated acyclic or cyclic monocarboxylic acids, their anhydrides to Guyana - data, historical chart and statistics - was last updated on June of 2024.