Year	% of total merchandise imports
1963	9.420104193355538
1964	8.097199341021417
1965	7.224918596793032
1966	9.198184568835098
1967	6.882960826724345
1968	6.526691981237438
1969	4.771115409413282
1970	9.051323450266647
1971	5.237711522965359
1972	9.01320277699747
1973	10.614507342868976
1974	16.387157526568316
1975	10.462436626209863
1976	13.191007296119976
1977	10
1978	8.755215647447482
1979	7.36549377332323
1980	5.988106513841764
1981	10.05635893575011
1982	10.645036791138388
1983	9.951238859633682
1984	12.310655893644586
1985	11.68780841882007
1986	13.186481288430052
1987	10.685175503069562
1988	9.996221555223373
1989	12.092906282391473
1990	12.408822872665723
1991	13.413379724209623
1992	8.999134672762334
1993	9.714557304077859
1994	7.11238682352905
1995	7.791183266758154
1996	4.035859614545684
1997	0.08346809281855493
1998	0.06336021660065841
1999	-7.184041754514367E-09
2000	0.05365667966073007
2001	0.1084323835638615
2002	0.10768162468425133
2003	0.02918790814705594
2004	0.009088468570603624
2005	0.05377640957784735
2006	0.0016840625077287194
2007	0.020058081172458928
2008	0.014207355379320708
2009	0.21245136736390047
2010	0.9730780949650905
2011	0.48740609632385457
2012	0.8486445937394664
2013	0.22082342394131732
2014	0.1632947339573516
2015	0.025866898378572475
2016	0.02714240973629619
2017	0.020427547510201646
2018	0.1327104135651832
2019	0.06522655366765395
2020	0.09254485692540351