Year	% of total merchandise exports
2000	18.51976206501828
2001	16.358303046178797
2002	17.110318344627064
2003	24.27090178085615
2004	12.221926813908718
2005	0.41436140653434844
2006	1.608338321237946
2007	4.008119143271335
2008	0.20530452621638756
2009	0.11921046047403983
2010	0.12603464129407294
2011	0.17416860305913923
2012	0.2730886973559436
2013	0.2270305973110361
2014	0.6190413112339471
2015	0.22634103092367355
2016	0.2516972964754892
2017	0.3936070927697843
2018	0.27070733294117233
2019	0.20037098143576515
2020	0.25108907505074946