Year	% of total merchandise imports
1960	89.56422018348624
1961	93.37175792507205
1962	89.41379310344828
1963	89.63783845538671
1965	91.62584026432722
1966	84.44185838331394
1967	86.92664132868225
1968	85.9282399963247
1977	71.75850409946744
1978	71.467852896212
1979	69.25613998828838
1980	70.48103196289
1981	63.72090333029139
1982	60.60048574046334
1983	57.98285246718133
1984	53.64248468587051
1985	58.75527351617211
1986	74.18027337517286
1987	74.18027337526983
1988	74.18027337063545
1989	74.18027337615646
1990	69.91417944803317
1991	73.34922934164479
1992	74.76343310667929
1993	73.35836979316099
1994	25.172841052280344
1995	20.533315450307846
1996	13.654373081599125
1997	75.91699771482759
1998	82.74606392306085
1999	82.53474254365246
2000	78.09687098490565
2001	77.74778885476644
2002	75.55370439071586
2003	74.5498686013194
2004	69.1539826896178
2005	67.90243908081092
2006	66.66564346218254
2007	67.2282294427946
2008	63.03364737120426
2009	68.54538743650077
2010	63.58959109225653
2011	59.01621631296633
2012	63.1661355919155
2013	62.75457493465642
2014	63.6658521183943
2015	63.782314218451965
2016	65.19219628196669
2017	65.45276318184897
2018	64.56988873163554
2019	63.80515487886369
2020	60.68051406206053