Year	% of total merchandise exports
2002	24.308755760368665
2003	0.036645601320731414
2004	0.20818170447695564
2005	0.06617501920546023
2006	12.057440488493722
2007	11.780140918047428
2008	7.8704994067982845
2009	10.52481154502381
2010	9.809734342302283
2011	9.149019705426104
2012	0.9199773036064041
2013	0.5181138733870297
2014	0.12379899515482416
2015	0.1924588496393564
2016	0.7564250959902395
2017	0.3083613045607595
2018	0.8576853167651664
2019	0.2801689170342243
2020	0.13022573202652493