Year	% of total merchandise imports
1960	82.1093228314559
1961	81.93472765179443
1962	81.36683063322712
1963	80.9593918615399
1964	79.34765696793816
1965	78.8206868644895
1966	80.09364739767311
1967	80.88234085664008
1968	80.52425415088254
1969	79.51655184105394
1970	80.10844968219293
1971	80.73247355044582
1972	80.25853535937006
1973	79.64450662307162
1974	78.90068027707872
1975	80.82428784521441
1976	80.59638903223096
1977	79.79410343933388
1978	79.94669102734501
1979	78.60535706182229
1980	76.97520523497097
1981	79.42089770485815
1982	78.4793100605667
1983	77.65325699740076
1984	76.14691465092962
1985	75.95306684927871
1986	78.43247982951817
1987	76.86008539643333
1988	77.33598096333498
1989	76.8219750791429
1990	78.43371316702091
1991	80.71810553743585
1992	79.95043783480324
1993	80.18144522888078
1994	77.47582410942464
1995	74.87716203685298
1996	74.54257430670246
1997	76.09738389393699
1998	76.50299231302212
1999	76.87158534698953
2000	74.2587510686665
2001	73.10161069080506
2002	71.90177474550538
2003	69.78288306345564
2004	67.95296898911461
2005	65.91107379596363
2006	65.0488384308642
2007	63.4271344809972
2008	61.93228224416822
2009	61.83995761187041
2010	61.06465509054381
2011	59.26546057197558
2012	58.9728932941755
2013	59.23558555240028
2014	58.74653317442353
2015	58.456487593740235
2016	58.330639680560246
2017	57.764122215847955
2018	57.408522533696015
2019	56.57623234010287
2020	56.13903115768333
