Year	% of total merchandise imports
1969	65.38461538461539
1970	71.11111111111111
1973	70.40816326530613
1974	74.44444444444444
1975	80
1976	74.11764705882354
1977	84.5528455284553
1981	93.71069182389937
1982	81.03448275862068
1983	93.14128943758574
1984	85.24214031865458
1985	79.49842936886841
1986	88.57820146271023
1987	85.71647738655832
1988	96.19810502069781
1989	95.5143002020281
1990	88.30350763270218
1991	92.32815415304077
1992	86.28472211635795
1993	84.38017018595187
1994	92.80898227849993
1995	83.56223253473138
1996	82.06398566217766
1997	88.40888180456224
1998	93.6502139698778
1999	90.58709768301725
2000	79.16739623746578
2001	79.5806023976472
2002	81.01085109755941
2003	84.96891980021276
2004	77.53469709124741
2005	71.43360970471844
2006	74.1624760966361
2007	74.78055865771718
2008	65.09558453761304
2009	65.96899918492727
2010	71.0465325474407
2011	77.01857127228764
2012	67.95853238946754
2013	67.74547325657116
2014	70.80263300581223
2015	70.04312202886862
2016	72.81687294825771
2017	66.3833999283363
2018	62.687993052896
2019	61.368885273478334
2020	74.9803395162165