New Zealand Exports of chlorates, perchlorates, bromates, perbromates, iodates, periodates to Tonga was US$60 during 2020, according to the United Nations COMTRADE database on international trade. New Zealand Exports of chlorates, perchlorates, bromates, perbromates, iodates, periodates to Tonga - data, historical chart and statistics - was last updated on May of 2024.