Year	% of total merchandise exports
2001	3.5608417658445517
2002	6.910617511905515
2003	3.915479959817586
2004	1.586939255985026
2005	0.4095899121386552
2006	3.62513391595704
2007	0.16185895127814387
2008	0.08032674791486125
2009	0.054975172226376094
2010	0.021114224523710378
2011	0.0030261756376871365
2012	0.006108227180138712
2013	0.007673684811852026
2014	0.05916868229107461
2015	0.11360717229484465
2016	0.019665319082641426
2017	0.015097222305297297
2018	0.4792751730686403
2019	0.7880814066275825
2020	0.00947042718152517