Year	% of total merchandise exports
2002	24.308755760368665
2003	87.03920899771221
2004	89.32989617895518
2005	84.52921984067775
2006	75.48441438673883
2007	74.85650468515881
2008	83.45823388519963
2009	79.30477161763758
2010	79.93495512202854
2011	77.28865827221824
2012	8.79704726011161
2013	27.18758442182826
2014	97.60116851378933
2015	91.18821484611726
2016	62.746658627825724
2017	61.44060623194941
2018	35.11440410871921
2019	24.12874984071982
2020	48.805584009676316