Switzerland Exports of chlorates, perchlorates, bromates, perbromates, iodates, periodates to Bhutan was US$465 during 2009, according to the United Nations COMTRADE database on international trade. Switzerland Exports of chlorates, perchlorates, bromates, perbromates, iodates, periodates to Bhutan - data, historical chart and statistics - was last updated on June of 2024.