Year % of total merchandise exports 1998 1.0228879225306853 1999 0.010304764153353076 2001 1.7466808747063417E-05 2002 0.0014731888051237492 2003 0.0033982170955310733 2004 0.057450495942773204 2005 0.012535204240264226 2006 0.00046987647176989045 2007 0.0030819440502630855 2008 0.025494830679692288 2009 0.02825653599857682 2010 0.0786583490517925 2011 0.09158851452668253 2012 0.16154937442048775 2013 0.03033980003773161 2015 0.18815035519869494 2016 0.1720092130475984 2017 0.22144166681948094 2018 0.4768896231491373 2019 0.6494739086706964 2020 0.946183264489776