Year	% of total merchandise imports
1960	87.80709736123748
1961	86.56015037593986
1962	86.95263628239499
1963	87.71358828315704
1964	85.39244186046511
1965	80.62886019090398
1966	77.6530039303762
1967	73.85103011093503
1968	68.13031161473087
1969	70.16162368570762
1970	68.87805370992598
1971	69.1205520884851
1972	69.55699795422169
1973	68.07803347556126
1974	66.91185973825998
1975	65.5870375259124
1976	67.56069283020045
1977	67.66288731353292
1978	69.86820482662725
1979	64.91017338625444
1980	67.60281354007662
1981	64.674842312067
1982	60.5854279992074
1983	63.25664575187172
1984	66.69605300537935
1985	67.91906934672633
1986	72.84091474958132
1987	71.52465590366458
1988	69.58088024525499
1989	69.82943511270066
1990	73.2037876410239
1991	71.50974420466007
1992	75.38720335920426
1993	75.13190566379532
1994	71.07560233189106
1995	68.7024001772034
1996	69.60476332265354
1997	49.93989800956497
1998	47.64165571667166
1999	42.60109180192477
2000	59.09742591264552
2001	40.545618573452906
2002	63.38168466130825
2003	76.5114187112747
2004	71.82959848540249
2005	70.28358989617199
2006	70.687320064442
2007	67.55430248449545
2008	66.95073781823471
2009	66.0025351189477
2010	68.33990642431407
2011	68.52336792560628
2012	69.80192882709824
2013	69.81352715319272
2014	66.98525143288741
2015	62.09631054277192
2016	60.128466179888264
2017	60.60498080772814
2018	61.49354184628595
2019	60.591838473108375
2020	59.209230325878