Year	% of total merchandise imports
1965	0.13204225352112675
1966	2.386934673366834
1967	1.2149814238377348
1968	1.9277929155313351
1969	1.4368761654052868
1970	1.9896237344481944
1971	1.0817809706791413
1972	0.1586042823156225
1973	0.3182836260756808
1974	0.4431874507974458
1975	0.24588925367803618
1976	2.1199259233697965
1977	2.4542375390993727
1978	1.1806422747397312
1979	2.036122841452051
1980	1.3035516797505304
1981	0.32576901753111437
1982	0.7624679384087554
1983	1.5418502202643172
1984	1.2008658771904048
1985	0.938566552901024
1986	0.4518883829391652
1987	0.7188054520991362
1988	0.5776625034373517
1989	0.49911397845728517
1990	0.38384562567589625
1991	1.43280347835409
1992	1.5710523620468468
1993	1.588822373721866
1994	2.029546253957087
1995	1.5311968026052847
1996	1.5799463228487516
1997	1.8161579147509248
1998	1.6765293706377422
1999	1.976265439573747
2000	2.352386371460646
2001	2.040498214716355
2002	1.4832996807498082
2003	1.450258476652978
2004	1.6378214104501903
2005	1.9285472406806665
2006	2.4833159736823376
2007	3.1702483314212304
2008	3.4701598765020716
2009	3.4133079930293526
2010	3.194052231827888
2011	4.388783190655542
2012	4.257392575021555
2013	3.766834997653156
2014	3.300624820985129
2015	2.4205404046744667
2016	2.6210251997379514
2017	3.3481626158019697
2018	3.112345485487732
2019	2.6029513205160337
2020	1.2740104138823252