Year % of total merchandise exports 1992 0.09289424809584293 1993 0.16038087684006724 1994 0.1335516980124292 1995 0.5481562414441115 1996 0.5052077219426426 1997 0.6196001767799555 1998 0.8730404649758364 1999 2.3959141127719166 2000 0.6306283684136968 2001 2.176101260447218 2002 0.49784346356057957 2003 0.8365157070776847 2004 0.5888937519504642 2005 1.6864495202699517 2006 0.8951913052364532 2007 1.0401887423820289 2008 0.4334466902032928 2009 1.9042819917901193 2010 1.9331485792213787 2011 1.591126484421492 2012 3.699337054508699 2013 3.5202203450327505 2014 3.735615969554523 2015 3.9134266935144644 2016 2.307629014851773 2017 1.695300184228082 2018 1.2869090363878346 2019 0.625503017491271 2020 2.542548869454092