Year	% of total merchandise exports
1975	1.0638297872340425
1983	0.09939863823859635
1984	2.0947176682405333
1985	1.4507783365567675
1987	0.08631177536508103
1988	0.09608758759511428
1989	0.09589247361355217
1991	1.4905216386565645
1992	0.4535019825638465
1993	0.21623061554251724
1994	1.0738884486634481
1995	0.23658011194676531
1996	0.2204731095305131
1997	3.2687191182251474
1998	0.33632286986729515
1999	0.11445993730969414
2000	0.3726187551148784
2001	2.748006374798537
2002	1.3179413456561424
2003	6.780171778393973
2004	0.7306458738246846
2005	1.8756310519354402
2006	7.941247717182971
2007	5.215145749997931
2008	3.3624540879553093
2009	2.6203533946028905
2010	9.094950666520173
2011	6.517915420051236
2012	13.314756374055282
2013	6.6320082009716135
2014	7.838682763307893
2015	5.151503045342892
2016	12.451016560497253
2017	8.739559626709704
2018	4.1207189905429455
2019	5.956085290531759
2020	21.7845860901345