Year	% of total merchandise exports
2000	5.448628140058591
2001	2.138347614705072
2002	11.502992847836298
2003	4.370262556952787
2004	2.258556511880385
2005	9.06214730814345
2006	4.9388183629685045
2007	4.108023539727903
2008	1.7462718506250832
2009	2.6785935642133363
2010	2.5838639415194224
2011	50.272408341928255
2012	7.061708840854318
2013	6.295649952845199
2014	0.0369548854255229
2015	0.27378366922632125
2016	0.27865442507649196
2017	0.3647098115792235
2018	0.03006166437278377
2019	0.03676359898055557
2020	0.02751044570935985