Year % of total imports 2011 10.98140620251932 2012 11.413471550712535 2013 13.497922796434075 2014 14.22255876190279 2015 17.17354667936732 2016 18.527556027404913 2017 18.37404324740788 2018 16.465359726055528 2019 17.630759724846108 2020 7.43150932704208