Italy Imports from Tonga of Surveying, Hydrographic, Oceanographic/Hydrological Instruments was US$6.15 Thousand during 2003, according to the United Nations COMTRADE database on international trade. Italy Imports from Tonga of Surveying, Hydrographic, Oceanographic/Hydrological Instruments - data, historical chart and statistics - was last updated on May of 2024.