Year	% of total merchandise imports
1961	22.644163150492265
1962	25.331369661266567
1963	39.97599039615846
1964	38.66513233601841
1965	46.908734052993125
1966	42.57703081232493
1967	44.49300699300699
1968	8.528198074277855
1971	3.0523475083390603
1972	3.4389929791034857
1973	6.057782609017163
1974	14.963634546299073
1975	10.11859433793227
1976	11.715306402857928
1977	11.403048849208878
1978	12.66316798404532
1979	17.133832939010045
1980	17.870402802101577
1981	13.535709254824624
1982	11.017137712280991
1983	12.38725238855228
1984	9.90079007812946
1985	3.311866280184519
1986	9.900790074889155
1987	9.178435654019426
1988	1.124407694544442
1989	4.8039868601231674
1990	8.24969201001846
1991	5.5430131298974565
1992	4.220273590959603
1993	0.38245494213541925
1994	0.5832665129165739
1995	2.6494605728415896
1996	1.67483705484151
1997	0.3914832092658912
1998	0.5088943346432409
1999	0.15255083976449077
2000	0
2001	0
2002	0
2003	0.005143245436362554
2004	0.0038062527047212956
2005	5.532369980624852
2006	7.101058313967125
2007	7.799923964033669
2008	3.030896928423689
2009	0.23744495082425446
2010	0.26229653661048735
2011	0.2407678239949829
2012	0.20383508540312198
2013	0.18410669839671912
2014	0.18149817264417953
2015	0.21683074340222197
2016	0.15966815670714044
2017	0.19364850162839523
2018	0.21115045532948234
2019	0.1999438574258889
2020	0.26565171562763096