Year	% of total merchandise exports
2000	3.485130184145149
2001	0.6870787126417517
2002	0.7740389312811613
2003	15.320694305053683
2004	3.0994765953743535
2005	4.367408590398643
2006	0.07256794177132296
2007	0.7592003410211863
2008	2.589436051865965
2009	5.470171969328631
2010	3.7630582897954534
2011	31.92883369143097
2012	4.165162261017285
2013	46.47473816667615
2014	7.845031768009732
2015	6.130994432299033
2016	21.5510748648127
2017	9.930879625467517
2018	4.258449176995757
2019	9.545513906821125
2020	3.847915181836805