Year	% of total merchandise exports
1990	1.343863496995205
1991	0.5855369288513576
1992	1.9093901810169733
1993	1.089728684572779
1994	0.5976516420219468
1995	0.7616808105971687
1996	0.08369978172487673
1997	0.03357803795833442
1998	0.7332646433057396
1999	1.3389853800305833
2000	3.02115448418355
2001	4.6504726197444635
2002	0.20816939802727003
2003	0.46816391761594894
2004	0.6583894562982624
2005	0.5839576946776573
2006	0.5784904210019237
2007	0.6717411977822303
2008	0.790468496148343
2009	0.363586683018474
2010	0.3575835504597444
2011	0.7298896908499618
2012	0.5471480692826907
2013	0.5484949770996171
2014	1.0834438549945649
2015	1.7294827766324086
2016	3.8195614611747932
2017	4.246577290284602
2018	6.164282278802777
2019	10.832605824258252
2020	7.849233211867435