Imports In 2005, Sierra Leone imported $3.11k in Unprocessed Artificial Staple Fibers, becoming the 0th largest importer of Unprocessed Artificial Staple Fibers in the world. At the same year, Unprocessed Artificial Staple Fibers was the 0th most imported product in Sierra Leone. Sierra Leone imports Unprocessed Artificial Staple Fibers primarily from: N/A.