Year	% of total merchandise exports
1993	4.5238543397487705
1994	2.618147041295587
1995	0.6229508249020604
1996	1.00402875844642
1997	16.43311103395494
1998	24.532434709351307
1999	13.748251983892978
2000	8.326697201928337
2001	11.815190900115118
2002	12.620518760750224
2003	10.317690737929706
2004	4.210565100072843
2005	3.2486483278634792
2006	5.2965683734074975
2007	3.1799964621315673
2008	4.359229679113868
2009	13.983684868746254
2010	7.69258387366097
2011	1.8279442662848644
2012	0.03000752910939798
2013	0.7925957295830384
2014	0.8788053595826681
2015	0.16524146704829143
2016	0.3744279740931581
2017	0.165360083302541
2018	0.3359161707516452
2019	0.02775727578127741
2020	0.09798658358817348