Year	% of total merchandise imports
1960	87.68357810413885
1961	88.66581004390191
1962	89.4053443733534
1963	88.59199322576093
1964	88.48614889459367
1965	88.47354234643213
1966	88.93554622408851
1967	86.88404876809753
1968	87.49573153695714
1969	87.40285118493357
1970	87.89044318153437
1971	88.91003437707269
1972	88.30626881863047
1973	86.80131637719033
1974	83.6485501376964
1975	84.93211862240592
1976	84.99046401483893
1977	84.26744913407813
1978	86.01936858703276
1979	85.84109979002724
1980	85.92926066883501
1981	86.14707401066998
1982	86.34459206446684
1983	86.34365566806224
1984	86.37215951172927
1985	86.65016336838501
1986	88.6984328488881
1987	89.3166024683594
1988	89.43640974680108
1989	88.70515671188394
1990	89.86959746480404
1991	89.42249358896431
1992	88.78055851947691
1993	87.78313662356375
1994	87.55944749529846
1995	88.1432771358566
1996	87.8371664415686
1997	88.08475915370235
1998	88.34281186238886
1999	91.95164668809996
2000	91.59720476764902
2001	91.43084003153164
2002	91.77794858963632
2003	90.50183146136531
2004	89.26854607829078
2005	88.5804688664242
2006	88.76877899636702
2007	88.00885916376564
2008	86.51909933125033
2009	87.15750329922456
2010	84.69112952678029
2011	84.67234532883725
2012	85.19607239018544
2013	85.23009244195893
2014	85.12858440547649
2015	84.36838387140861
2016	84.74723311457734
2017	84.41324352305996
2018	84.68094880074071
2019	84.51386810727892
2020	84.39647900383075