Swaziland Imports of hydrometers, thermometers, pyrometers, barometers, hygrometers from Botswana was US$79 during 2016, according to the United Nations COMTRADE database on international trade. Swaziland Imports of hydrometers, thermometers, pyrometers, barometers, hygrometers from Botswana - data, historical chart and statistics - was last updated on May of 2024.