Year	% of total merchandise exports
2005	3.421837840780346
2011	33.36585446268015
2012	59.091496225997766
2013	27.84684396677431
2015	1.5100047813721378
2017	4.347280623974205
2018	3.702540282839368
2019	2.016992334380017
2020	0.0950964657548052