Year	% of total merchandise exports
2006	0.0036420860952719424
2007	0.320911822740922
2008	0.4418245343210381
2009	0.225579415794063
2010	0.1347206698202148
2011	0.09720199222040088
2012	0.14437483508908922
2013	0.14870392162191537
2014	0.022702259847267543
2015	4.5633344732463765
2016	4.269372322331433
2017	3.3831826352193937
2018	4.207313841170143
2019	4.119738949138309
2020	0.587857859638574