Year % of total merchandise exports 1990 0.00044829781050994584 1997 0.01098621554002151 1999 0.03993607768859881 2000 0.97993826480844 2001 1.797676950678368 2002 0.16561868337154004 2003 0.2196664469605973 2004 2.3683428361067307 2005 0.0062102128577575825 2006 0.015824188719551248 2007 0.002408701924497407 2008 0.02405079597963958 2009 0.018003725577333565 2010 0.13105222530989424 2011 0.03703830556757243 2012 0.2505980235051179 2013 0.6120484557548658 2014 0.001743482752738283 2015 0.0008798330257395715 2016 0.09277198325641332 2017 47.92944845604219 2018 64.43474095895793 2019 63.59225835671995 2020 68.74933323451167