Year	% of total merchandise imports
1963	85.71428571428571
1964	92.66055045871559
1965	94.59815546772069
1966	94.19642857142857
1967	94.80354879594424
1968	92.72092973482012
1969	90.20098005488919
1970	92.77724484879528
1971	90.5079375982004
1972	90.82540230215551
1973	87.75482943815463
1974	82.29502990525592
1975	80.42158520879013
1976	86.61668879731104
1977	76.73728116730703
1978	79.6847422924685
1979	78.25501094829038
1980	75.05075055710793
1981	78.74528341930598
1982	85.26180671570404
1983	85.48587415512935
1984	79.18573899710411
1985	79.19900054567908
1986	80.18775351218544
1987	90.92107213261578
1988	92.1230913975823
1989	92.57993186052383
1990	91.99125733282129
1991	91.33876889174071
1992	91.34589502089374
1993	92.37302666963699
1994	92.59620679556538
1995	92.7634529625874
1996	92.52264248247107
1997	92.14368242710852
1998	91.55857395228873
1999	93.1166321382955
2000	92.6876412163874
2001	92.28913562581027
2002	92.31248907307726
2003	92.36729536467469
2004	89.89472474126656
2005	88.4573458949592
2006	87.34738081385252
2007	83.16261555868667
2008	85.04116957807884
2009	84.04864018473418
2010	72.35736504577703
2011	79.06327610833303
2012	82.5420293958136
2013	82.62012361041239
2014	79.98674089322972
2015	74.12785389255755
2016	75.56927956339811
2017	77.66942045022024
2018	78.54391715238607
2019	79.06376825214862
2020	79.162512001531