Finland Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Bhutan was US$3.81 Thousand during 2021, according to the United Nations COMTRADE database on international trade. Finland Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Bhutan - data, historical chart and statistics - was last updated on June of 2024.