Year	% of merchandise exports
1973	0.11198831034440919
1974	0.05559663638855156
1975	0.1354944057540062
1976	0.19896912167591116
1977	0.1628939462923791
1978	0.045733287938870965
1979	0.027375331415033587
1980	0.12209551242763632
1983	0.024708229102965017
1984	0.045935082306514184
1985	0
1986	0
1987	0
1989	0
1990	0.09267044408238186
1991	0.013447335403961872
1992	0.1491029209842255
1993	0
1994	0
1995	0.0013752872711246123
1996	0.021353755495655897
1997	0.20916897226573491
1998	0.16912587034164292
2005	9.01665953046598
2007	17.890057672401046
2008	15.721777703523824
2009	23.190692007773976
2010	27.569830529976784
2011	10.561960875948676
2012	10.648936351313498
2013	5.735771695737939
2014	13.822268344390054
2015	17.234360595357504
2016	13.822260531121291
2017	11.345579378423519
2018	3.2446468488086064
2020	11.778414649536566
2021	2.094400145855155