Samoa Imports from United States of Bitumen and Asphalt (Natural), Bituminous or Oil Shale, Tar Sands was US$94 during 2018, according to the United Nations COMTRADE database on international trade. Samoa Imports from United States of Bitumen and Asphalt (Natural), Bituminous or Oil Shale, Tar Sands - data, historical chart and statistics - was last updated on June of 2024.