Year % of merchandise imports 1970 0.1355334544236889 1971 0.15460595304900138 1972 0.181212300677324 1975 0.16898770532284652 1976 0.267346133695418 2003 0.35518230707399356 2004 0.24925855279269482 2005 0.6059122936600573 2014 0.6113686346963859 2015 0.7463163924479516 2016 0.9325583410045604 2017 0.9499457642277621 2018 1.2233301759464876