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	5.468050398663405
1982	13.047124393905406
1983	13.735674327976701
1984	9.450523728714376
1985	9.228422836701107
1986	6.525662970597892
1987	7.266289703390494
1988	7.435833718913652
1989	7.248745306516971
1990	4.398943164322199
1991	2.9342366439240104
1992	1.9863052992503516
1993	2.7102602710260273
1994	0.7168629583585034
1995	0.5644057543215332
1996	0.12001504310157321
1997	0.479732805388166
1998	0.29672990096981117
1999	0.010567346279824558
2000	0.017942334097190114
2001	0.06916141642390682
2002	0.06776964709960079
2003	0.04041243429394342
2004	0.03696131145678336
2005	0.02706935095200046
2006	0.025089293252697514
2007	0.02964910694510222
2008	0.017138865830278724
2009	0.018936325652028334
2010	0.03995283162715677
2011	0.16495177517646695
2012	0.18519858125017366
2013	0.18125612099529448
2014	0.22783380129339026
2015	0.037206418388904795
2016	0.014159962127469302
2017	0.007370538727198556
2018	0.01887405502831382
2019	0.006709564074956617
2020	0.004592791890663305