Year	% of total merchandise exports
2003	2.1586693107535466E-05
2005	1.1767086113623481E-05
2006	0.04690924244026195
2007	0.027570952636323143
2008	0.18361910324542194
2009	8.40579861321334E-05
2010	0.010622519327279912
2011	0.008140761122191845
2012	1.5442265340237775
2013	0.007583449116211614
2014	9.695764885594754
2015	0.0010216148259280854
2016	0.3056282818592365
2017	0.006260441619784862
2018	0.0581645446801051
2019	0.024164850575617177
2020	0.05737207951820232