Year	% of total merchandise imports
1960	0.5952853401063577
1961	2.236295270136553
1964	2.75320970042796
1966	1.6129032258064515
1967	1.3532651455546814
1968	1.9943019943019946
1969	2.574675651211908
1970	2.0439365896837534
1971	2.110150338999705
1972	2.244460134694765
1973	2.4216394041853238
1974	1.5482901695937004
1975	0.850551628284333
1976	0.7871478721530986
1977	0.3133280686656336
1978	0.20173128462714596
1979	0.7434559335447746
1980	0.908145560892822
1981	0.9155070835308131
1982	0.7944786018815666
1983	0.8432551611621646
1984	0.881289551654034
1985	1.013964488385276
1986	1.2605019251045992
1987	1.8039637787247578
1988	1.1558579024829316
1989	1.6033192171002506
1990	1.7570172363614047
1991	2.488115111164676
1992	3.5828595460916444
1993	3.227284006334288
1994	3.9378084698308196
1995	2.8288307174506
1996	2.3010417198618653
1997	3.5524923198536325
1998	2.1834640427510337
1999	1.4603353190681785
2000	1.4290045274991536
2001	1.7402424918482047
2002	3.2071174753413505
2003	3.328890801265176
2004	2.580524373571879
2005	2.423080274967859
2006	2.5980455120721215
2007	1.8694580838552286
2008	2.132322512660251
2009	3.2925523739985576
2010	2.915767476879642
2011	3.0891435393825337
2012	2.922177955851504
2013	3.3254783995720834
2014	2.6480748181027622
2015	2.669024623474161
2016	2.9676843146739027
2017	5.661558305003165
2018	6.8068130684830415
2019	6.740071933412917
2020	6.740071929731253