Year	% of total merchandise imports
1964	0.6077675659650162
1965	4.058094831268689
1966	5.036764705882353
1967	4.836533471717696
1968	5.960264900662252
1969	10.37135278514589
1970	9.039064727687482
1971	6.719285491743691
1972	0.5711639394874961
1973	0.8328453380180882
1974	1.1041581644220742
1975	1.0818843810373011
1980	0.21411852324715397
1981	0.35050944141853235
1982	0.24638075171616938
1983	18.581345173696885
1984	0.9953663992783751
1985	0.6421299801951179
1986	2.286198134135275
1987	4.040268456804279
1988	0.9623549420490601
1989	0.7517117041853314
1990	0.24763414529908817
1991	0.7304395411743589
1992	0.8059324036529361
1993	0.607212095715007
1994	0.7833934391214357
1995	0.869377687491308
1996	0.8879563506460112
1997	0.8993246217547093
1998	1.3113413358899457
1999	1.0036662265182579
2000	0.3604084893636748
2001	0.4786448791610526
2002	0.4158351534834166
2003	0.24501024941032107
2004	0.33500981105312577
2005	0.4852515571056121
2006	0.40556408718138703
2007	0.5594755422362121
2008	0.5620847370574311
2009	0.7509974571696393
2010	0.33777402351888736
2011	0.32229234070887375
2012	0.25489715976123817
2013	0.2395324146722976
2014	0.33631064781218273
2015	0.4648585141081079
2016	0.49849333593082945
2017	0.33398230360692904
2018	0.47714916168213634
2019	0.4866062842076354
2020	0.5133741445483424