Switzerland Exports of chlorates, perchlorates, bromates, perbromates, iodates, periodates to Brunei was US$68 during 2002, according to the United Nations COMTRADE database on international trade. Switzerland Exports of chlorates, perchlorates, bromates, perbromates, iodates, periodates to Brunei - data, historical chart and statistics - was last updated on June of 2024.