Switzerland Exports of unsaturated acyclic or cyclic monocarboxylic acids, their anhydrides to Gabon was US$13 during 2016, according to the United Nations COMTRADE database on international trade. Switzerland Exports of unsaturated acyclic or cyclic monocarboxylic acids, their anhydrides to Gabon - data, historical chart and statistics - was last updated on May of 2024.