Year	% of total merchandise exports
2003	2.1586693107535466E-05
2005	1.1767086113623481E-05
2006	1.7745572665762264E-05
2007	1.4085559987459625E-05
2009	8.40579861321334E-05
2010	0.010443282135511926
2011	1.1986129346019313E-05
2012	0.0002891949140543643
2014	6.281509413278998E-05
2015	0.00011327302716203693
2016	0.3055346244778292
2017	0.003973683422112506
2018	0.042626448546549386
2019	0.017306143055739746
2020	0.046521367252428975