Year	% of total merchandise exports
2002	0.002080756961777521
2003	0.003716633338211447
2004	1.389967545012055
2005	0.020030865897001322
2006	0.0047937404566662884
2007	0.004437103250607219
2008	0.0013154315416591495
2009	0.003724902274570948
2010	0.00382881473736878
2011	0.006723241240881721
2012	0.001932686008767253
2013	0.003992671009562416
2014	0.0021225231849799076
2015	0.0010795628454855035
2016	0.004335205892024497
2019	2.076538603904773E-05