Year	% of total merchandise imports
1960	0.24242424242424243
1962	0.048638132295719845
1963	0.7966457023060796
1964	0.5133470225872689
1965	1.5009380863039399
1966	1.9530284301606922
1967	2.127659574468085
1968	1.9206745783885073
1969	2.2350503256364713
1970	1.910598413842826
1971	2.567027952082145
1972	2.4509334609861178
1973	2.0662835916187823
1974	2.0558853337194147
1975	0.3161162856336438
1976	2.12640099626401
1977	1.4516129032258065
1978	1.2974594136439703
1979	0.6740599875731957
1980	0.23907910271546637
1981	0.039371487884319406
1982	2.1629832839914034
1983	0.6844698473049023
1984	0.923482957706228
1985	0.6372310134963154
1986	0.08828082010110727
1987	0.06475506339658973
1988	1.3550431240063256
1989	0.863010511737553
1990	1.776108164920142
1991	2.169527574259642
1992	2.87686508814898
1993	2.046525097924586
1994	2.249558182110882
1995	2.291409117056089
1996	2.07497312757658
1997	2.307146830050759
1998	1.9853433997698042
1999	2.1250045142350054
2000	1.5700455990736157
2001	1.1383529126774026
2002	1.9977843956525596
2003	2.9499288219170423
2004	7.191146935085511
2005	7.925620579005413
2006	11.764356948129068
2007	12.614840615130147
2008	14.584308959998912
2009	15.29689504070845
2010	10.539100020232818
2011	11.511352727775662
2012	12.876480531064722
2013	11.719837198160867
2014	12.193143059938228
2015	15.28201789938534
2016	12.896503345642918
2017	12.528761912093838
2018	11.899373436442804
2019	17.164225448381053
2020	16.63975136202568