Year	% of total merchandise imports
1960	80.39856941865676
1961	80.4181668620868
1962	78.75992005149809
1963	77.88540181659226
1964	76.50568608326554
1965	76.52297312765106
1966	77.74021092854622
1967	78.22703881773563
1968	78.44245860361345
1969	77.27307000071443
1970	72.153506994482
1971	72.59326775945452
1972	72.2169915338444
1973	73.538147962149
1974	74.34256127847728
1975	75.96498731044478
1976	74.6031334019194
1977	73.51566433297779
1978	73.87720499104844
1979	72.3273009610489
1980	71.89012382803602
1981	75.24185773611775
1982	75.07021519194807
1983	73.78434164317551
1984	72.73085673847484
1985	72.33316297184213
1986	74.9230286980406
1987	73.7117990907771
1988	74.81135987907396
1989	74.91464956711556
1990	77.5995320939575
1991	80.19624475731236
1992	79.7722574565806
1993	80.3118834193897
1994	77.92796040611276
1995	75.5547583431714
1996	75.03637931234732
1997	76.51369597832306
1998	77.18832861490561
1999	77.50243814328148
2000	74.65680013157431
2001	73.55437532619445
2002	72.55436286350441
2003	70.71461084286594
2004	69.14569897840167
2005	66.9696588216016
2006	65.99419893775969
2007	64.48176532354863
2008	62.95517853524716
2009	63.0404378755088
2010	62.108878425960754
2011	60.335844171496525
2012	59.7830166912009
2013	60.20956084718174
2014	60.000297372012554
2015	60.00346523428415
2016	60.22239784234703
2017	59.60453420548502
2018	59.28274951298891
2019	58.63551975432255
2020	58.31618264327205