Year	% of total merchandise exports
2001	0.01146896760861973
2002	0.8230285026606667
2003	0.5422465795483639
2004	0.5952961112786574
2005	1.548973105935546
2006	3.4107739884020107
2007	0.8874466384659401
2008	3.632008096393412
2009	3.542773028687841
2010	2.5915507244879463
2011	2.8584275634620724
2012	86.01770861273931
2013	76.74013959913289
2014	73.59061191148666
2015	72.64607649208801
2016	81.18264138338051
2017	76.11113431035041
2018	68.8001140313263
2019	62.798548610534425
2020	68.2233158787931