Year % of total merchandise exports 2000 0.00503227028005945 2001 0.06978629054944067 2002 0.007752132952838903 2003 0.3622604595757308 2004 1.3096117173281892 2005 0.02570754005219132 2006 0.08050208953871159 2007 0.09255248827945418 2008 0.054828232796987876 2009 0.015459914133438736 2010 0.03204165816701847 2011 0.1055059551200413 2012 0.025505440739809298 2013 5.0781013795286745 2014 0.017408996568183014 2015 0.13263121139183756 2016 1.0179363428097465 2017 0.02586468864575995 2018 0.00261827167706165 2019 0.052946306599786344 2020 0.0052405395862223664