Year	% of total merchandise exports
2000	7.507602743216994
2001	15.592477985097606
2002	3.68940998113192
2003	5.1176243714558245
2004	12.094195759189315
2005	10.10465468564077
2006	9.63803767219567
2007	10.226233810209092
2008	20.00721909967514
2009	28.92938796105909
2010	1.6690157365430718
2011	1.4840822000898772
2012	8.411169422832181
2013	15.391911006418674
2014	66.35784800470029
2015	7.484202385158167
2016	18.45990467430387
2017	17.858877165816033
2018	2.6596200450729337
2019	2.5793530454412035
2020	5.727142303338006