Costa Rica Imports from Gambia of Sulfates, Alums, Peroxosulfates (Persulfates) was US$704 during 2011, according to the United Nations COMTRADE database on international trade. Costa Rica Imports from Gambia of Sulfates, Alums, Peroxosulfates (Persulfates) - data, historical chart and statistics - was last updated on May of 2024.