Year	% of total merchandise imports
1966	1.3878046664931911
1967	3.4653679966473505
1968	4.909475731487572
1969	3.8965230452215143
1970	6.035037540221666
1971	5.860054524211346
1972	5.187158095387307
1973	5.136879087240851
1974	9.692852358625968
1975	11.369679491112885
1976	12.865748274224032
1977	9.224093287380132
1978	10.989077547394562
1979	11.49423368297152
1980	7.137657574421323
1981	7.402595305049736
1982	13.047124393905406
1983	13.735674327976701
1984	9.450523728714376
1985	9.228422836701107
1986	6.525662970597892
1987	7.262090760531617
1988	7.481762401897636
1989	7.269415219896651
1990	4.409032483506424
1991	2.9547941169080647
1992	1.9931424332180974
1993	2.7199299050205137
1994	0.7150409005263879
1995	0.5744167521176836
1996	0.11776980406079546
1997	0.481887180495447
1998	0.29683101503182907
1999	0.010567346279824558
2000	0.030041215220591184
2001	0.1127173300356469
2002	0.10694922130173785
2003	0.06505417031614986
2004	0.05519829739138373
2005	0.02790931957415902
2006	0.026361671783855043
2007	0.03081224182703805
2008	0.18280002399819656
2009	0.09583399017378516
2010	0.14498039427262602
2011	0.2453419858736056
2012	0.22007236060001273
2013	0.27224535850935405
2014	0.3591167105946861
2015	0.6199778481328351
2016	0.07346278120722081
2017	0.18754270922670088
2018	0.13007149690524986
2019	0.05929080453798058
2020	0.27541743299257143