Year	% of total merchandise exports
2000	0.029456200530211613
2001	0.12410245428291308
2002	0.053143601866338694
2007	0.030063001748382324
2008	0.5194347145209595
2009	0.1856015174597241
2013	0.09144433496747915
2014	0.02561772382804286
2015	0.027518006739824078
2016	0.07497117710687445
2017	0.007513059089878689
2018	0.007704449489954154
2019	0.003766354461742102
2020	0.011075917254132124