Year % of total merchandise exports 2001 0.004046283672368914 2002 0.009144537941589872 2003 0.022749652763530453 2004 0.06565616612044292 2005 0.03418158481703498 2006 0.043790921265686567 2007 0.053688329601404794 2008 0.042408026894147494 2009 0.0204135600395496 2010 0.1275419121435435 2011 0.05289731084860141 2012 0.043477207703021443 2013 0.04291064045038043 2014 0.043611357219996746 2015 0.06491427476606845 2016 0.016875262941921765 2017 0.0905909882756849 2018 0.03277805305785892 2019 0.07925943950219114 2020 0.013261972341139025