United States Imports from Colombia of Silk Yarn and Yarn Spun from Silk Waste; Silk Worm Gut was US$401 during 2010, according to the United Nations COMTRADE database on international trade. United States Imports from Colombia of Silk Yarn and Yarn Spun from Silk Waste; Silk Worm Gut - data, historical chart and statistics - was last updated on May of 2024.