Year	% of total merchandise imports
1970	78.4090909090909
1971	76.59574468085107
1972	78.97435897435898
1973	63.82113821138211
1974	63.82113821138211
1975	66.996699669967
1976	64.62765957446808
1977	69.75717439293598
1978	70.05253940455341
1979	64.39665471923537
1980	78.33675564681725
1981	70.89151450053706
1982	68.4156378600823
1983	73.7217598097503
1984	68.5614849187935
1985	73.24840764331209
1986	75.50411089863243
1987	76.68776371308017
1988	82.12845203265114
1989	75.41124612100461
1990	78.11275247425303
1991	73.94976416879386
1992	71.3418590219259
1993	59.83002831508967
1994	58.7648638270253
1995	61.95328382145259
1996	70.29661210937792
1997	74.5156315872756
1998	69.51776145982453
1999	79.75995164427178
2000	77.86131723591548
2001	85.43106731493796
2002	80.49834951979665
2003	80.07357147700415
2004	82.83433107056932
2005	83.62002497991367
2006	79.98628878313673
2007	83.4210848909946
2008	83.77669581776928
2009	78.85295350920053
2010	85.68441214910604
2011	88.26278199228675
2012	85.14893884486511
2013	77.79170788952757
2014	77.04225511104946
2015	74.8719543790578
2016	51.13796343050397
2017	78.38492644368122
2018	73.58839082607616
2019	70.04534187089332
2020	67.40333842393179