Year % of total merchandise exports 2000 0.03632915853007821 2001 0.005585727026048074 2002 0.049043977019179334 2003 0.008199486678889438 2004 0.006846243210527651 2005 0.0540159293007529 2006 0.004949250730152366 2007 0.009811063467276643 2008 0.4432532938488609 2009 0.14735982272376047 2010 0.8789472613554064 2011 1.2765102595727356 2012 1.1271696354735117 2013 2.7239293480336326 2014 13.647924649163176 2015 12.401182446471656 2016 15.100033162489556 2017 18.603862006247958 2018 17.197533777079833 2019 21.69108351090196 2020 22.414127788539535