Year	% of total merchandise imports
1960	82.95002839295854
1961	84.20446851726473
1962	84.65522822920039
1963	84.3100756574997
1964	84.81607519040674
1965	84.59077452010315
1966	84.86932599724896
1967	85.3944747553477
1968	84.43456671472049
1969	84.50076098113475
1970	85.16281957221062
1971	85.12335506675264
1972	86.39193083573488
1973	86.01367127064053
1974	81.28928551632393
1975	82.0659467058598
1976	82.44716873013944
1977	83.36055187948755
1978	83.00682175966416
1979	82.27425409998023
1980	81.71716468917421
1981	80.96512960488462
1982	81.59834993150369
1983	82.8492792017359
1984	80.92116980728814
1985	81.0323694514792
1986	85.52505508352938
1987	87.03977066084761
1988	87.4560770950809
1989	86.82980274376273
1990	86.86474811115603
1991	87.02198146217619
1992	87.11117409311007
1993	90.42529988013825
1994	88.81642364294144
1995	90.04519857771854
1996	90.03339353403942
1997	89.42232043417286
1998	91.7216477701103
1999	94.4842636291663
2000	93.0627327905361
2001	92.92249850148895
2002	92.54490805678836
2003	92.41813121011748
2004	92.44449765184616
2005	90.60801590707112
2006	89.82586150305855
2007	90.07215088761747
2008	88.59081694886777
2009	89.64724192403365
2010	88.7052255126632
2011	88.09736307403789
2012	87.12200613395596
2013	86.67172560006111
2014	86.92705074694084
2015	87.29586072376094
2016	87.97709930880106
2017	87.0994443458223
2018	86.4145308495207
2019	86.75337569794
2020	87.98279413217821