Year	% of total merchandise exports
1986	18.930163913897406
1995	0.41571249765707885
1996	0.009132990675052114
1997	0.001757142862430602
2000	0.005287775427002555
2001	0.020225055220731845
2002	0.0021803406373518738
2003	8.299942352884258E-05
2004	0.01850676840510146
2005	0.0012754699301723892
2006	0.19080721291299382
2007	0.06623126086959022
2008	0.07411331218090397
2009	0.08589231987183628
2010	0.0006379931162252844
2011	0.005807215481640502
2012	0.3806699797192849
2013	0.14075514933266994
2014	0.26848272684828123
2015	0.40223878460401247
2016	8.96520011043649
2017	0.2526623135044055
2018	0.02794375786464832
2019	0.29154261380116137
2020	0.5755321521635292