Year	% of total merchandise exports
2000	1.6518849491154624
2001	0.5432400330616716
2002	1.6373262763300496
2003	0.15400807377281492
2004	0.04445414991615146
2005	0.043780438610125726
2006	0.07059523426150083
2007	5.505665491330253
2008	2.5669126436539105
2009	2.089113097508462
2010	8.846179816116605
2011	12.097645201437397
2012	0.035550391726386674
2013	5.821293701118536
2014	1.852185514704128
2015	1.1481550248021524
2016	8.26348572720824
2017	26.857951731171802
2018	2.739650822307434
2019	0.45347847733037716
2020	0.10776794531175823