Year	% of total merchandise imports
1960	81.96371398078975
1961	81.99588477366255
1962	81.42717497556208
1963	70.41587901701322
1964	62.468513853904284
1965	62.61585993820803
1966	66.32366697848457
1968	82.87731685789939
1970	85.85799961307796
1981	80.11565399244881
1982	93.15971799647805
1983	97.6489790607848
1984	89.72363456417528
1985	81.74800280081764
1986	62.03869535699632
1987	42.3634221308765
1988	34.50684342302797
1989	25.227451343208806
1990	43.9134041830233
1991	43.716863017099264
1992	82.46968537266224
1993	59.680268062138545
1994	55.28367089618115
1995	54.97149422425645
1996	56.32983958204959
1997	64.71552434524023
1998	60.510603617809124
1999	60.14787163004739
2000	59.001297856319454
2001	48.99001141738448
2002	58.20157753436849
2003	56.63513242352414
2004	55.47837246488832
2005	55.955511152408555
2006	51.268438018328844
2007	50.36388643013626
2008	44.40738724938799
2009	42.64576248879371
2010	42.43628457385146
2011	36.77780123172126
2012	34.3881030476562
2013	38.27905440007838
2014	31.416623438755863
2015	29.957428538293062
2016	26.3387969673196
2017	24.707599420051007
2018	24.212991422448336
2019	23.2652143290858
2020	20.991718948277025