Year % of total merchandise exports 1992 1.1797010274749866 1993 2.6462054543645794 1994 2.340932101660594 1995 0.1411929066131629 1996 1.8579793378882399 1997 2.9520007336604137 1998 1.4709058697474087 1999 1.5853529021790471 2000 1.3490663694293148 2001 1.3258573862288252 2002 1.2970287233625784 2003 1.3142267809164287 2004 1.3236901006459205 2005 1.2681937900616342 2006 1.2437282843854016 2007 1.7909303477018974 2008 3.9543131375047116 2009 2.531662890637772 2010 3.3554154487773618 2011 3.6255191547726584 2012 2.0318094763166212 2013 1.5970079699290165 2014 2.1637353030682687 2015 2.3565713280974783 2016 2.423632188570725 2017 1.9839600582132817 2018 2.4621400437412437 2019 2.2361840780175646 2020 2.330825607433145