Year	% of total merchandise imports
1964	3.4482758620689653
1967	0.49504950495049505
1968	0.4405286343612335
1969	0.4273504273504274
1970	0.34602076124567477
1971	0.3058103975535168
1973	0.670647410065594
1974	0.4608294930875576
1975	2.085636223329927
1976	1.8290883123065937
1977	1.2826418169578004
1978	0.1337634747029664
1979	0.4592899736228998
1980	0.4616448050558747
1981	5.655907263572852
1985	1.8722525999785566
1986	6.561128377565607
1987	3.4308368834761307
1988	3.062038397269886
1989	0.7062783638385478
1990	1.182631615453978
1991	4.10748685800111
1992	1.151458398362987
1993	1.3535896310195825
1994	1.356985253226043
1995	1.3010886746688424
1996	1.6068924021164661
1997	1.475763231922228
1998	2.1676361839203526
1999	1.931636223739044
2000	20.67117547441508
2001	18.541162111186043
2002	20.168650920680452
2003	19.59959422699465
2004	22.04948324200495
2005	11.383921493320361
2006	8.986040122802622
2007	10.865497306690736
2008	10.79057987068514
2009	10.288682136219604
2010	10.246590793145673
2011	13.863022539683229
2012	10.381375120038538
2013	13.64068527667071
2014	12.588309666192407
2015	7.811457360148956
2016	7.7400069804236376
2017	8.185721778970537
2018	15.689381485336835
2019	15.554160263980013
2020	10.031111620537857