Year % of total merchandise exports 1992 0.976706305916436 1999 0.009215582342025101 2000 0.0038379897827147983 2001 0.009710922594880291 2002 0.0010990780972779583 2003 0.017374160849449545 2004 0.00927781028861368 2005 0.08188940420674788 2006 0.16201775587480816 2007 0.3337760406237391 2008 0.5053613830242665 2009 0.16880090924266897 2010 0.14650242891177656 2011 0.10930818216696023 2012 0.49232847517101846 2013 2.577726167375643 2014 0.526558979789503 2015 0.7611502530888224 2016 1.182573499969105 2017 3.3760143369156648 2018 3.668828778705644 2019 2.6485500078778954 2020 2.1383160024841823