Year	% of total merchandise exports
2001	0.0033592162457090533
2003	0.005365819785750521
2007	0.003594545582137678
2009	0.04590363072237366
2010	0.0033620121931609253
2011	0.039657808616402154
2012	0.08640852040754547
2013	0.009651071998822824
2014	0.0012504311998216406
2015	0.00039185123070759737
2016	0.0039176145501470866
2017	0.0026244713172237704
2019	0.0033063317562722055
2020	0.01046365462838155