Year % of merchandise exports 1962 19.370526362247816 1995 0.0017325275054615435 1996 0.026495372266494264 1997 0.009736492837103856 2000 0.0015598964005947662 2001 0.050784828637645565 2002 0.01388832225533504 2003 0.08803553597491506 2004 0.03373317325570276 2005 0.06819701371398905 2006 0.02468425210385928 2008 0.003419376717885495 2009 0.06718153568529744 2010 0.5318295181931728 2012 0.0008733060894178105 2013 0.0008013520073656903 2014 0.0012891081731561255 2016 0.00848115895739681 2017 0.012960770698711044 2018 0.0004916921860712915 2019 0.0041813092769766086 2021 0.06971742976795849