Year	% of total merchandise exports
2012	0.00010620182169387418
2013	0.00016836387309896142
2014	0.00041878834393014783
2015	0.0006515757917705472
2016	0.0005047392074519696
2018	7.184433360969682E-05
2019	5.588062999617362E-06