Year	% of total merchandise imports
1960	83.56280091223921
1961	81.4767905769109
1962	81.05824744437861
1963	80.05820720305755
1964	77.6532696257047
1965	79.65273659321115
1966	84.93978832667251
1967	84.60944751111327
1968	85.33281595942508
1969	85.38174942723742
1970	85.68549620518283
1971	86.48380790900535
1972	85.8428187533464
1973	85.07817735090462
1974	88.65663070256326
1975	87.6942857578
1976	86.38659237282398
1977	85.78693017124948
1978	83.30126453942376
1979	84.41098204486173
1980	86.3614633679815
1981	86.7503650889159
1982	86.39535534079123
1983	86.29946806792714
1984	86.53778536300275
1985	83.89307597588923
1986	83.53362611937017
1987	83.4014170206604
1988	81.69141187218045
1989	80.95341303095697
1990	84.47486559534975
1991	85.75920093003421
1992	85.20762490971589
1993	84.9144148537681
1994	84.80780090295752
1995	82.26128681553104
1996	81.68372135541101
1997	82.2413809386572
1998	81.90405850029327
1999	81.02660021277241
2000	78.83020290112451
2001	77.68179017764642
2002	75.52046151402097
2003	73.43149788802353
2004	71.84049466512002
2005	69.74978880082666
2006	68.21158778972095
2007	66.66733724370428
2008	65.62190044265269
2009	65.2103579484255
2010	64.06872908788935
2011	63.04470683021489
2012	61.486113579564226
2013	61.84736949579184
2014	61.571351566577825
2015	61.6567881516908
2016	61.25678133026328
2017	60.992625867147495
2018	60.52647089398936
2019	59.20976676684978
2020	59.02955434273992