Year	% of total merchandise imports
1963	24.30379746835443
1964	40.28452463566967
1965	38.5095104458996
1966	37.558685446009385
1967	36.5625
1968	30.37443511943189
1969	25.952170062001773
1970	27.027027027027017
1972	29.272110618314635
1973	25.258984524875306
1974	23.72845286231113
1975	20.658233276157805
1976	19.552540759252647
1977	23.94085201267457
1978	39.78991596638655
1979	36.54241267977693
1980	33.562635771180304
1981	31.797703822118876
1982	33.13708999158957
1983	33.1370899964463
1984	33.13708999736711
1985	33.137089991947214
1986	33.13708998816754
1987	33.137089991761925
1988	33.13708998734253
1989	27.822068164237514
1990	21.288575315762458
1991	20.764953972598864
1992	22.69422573942333
1993	17.315596131685503
1994	15.83280336435097
1995	15.625087919239705
1996	16.97535083999653
1997	0.2118955685430428
1998	0.26427143887576665
1999	0.392867907215749
2000	40.311461174419236
2001	40.31161886108368
2002	40.34680204431682
2003	40.608951795628265
2004	40.55535966193627
2005	40.396154847909585
2006	40.311187897312415
2007	40.310967670866255
2008	40.31046389029694
2009	40.30917870042469
2010	40.30683900273667
2011	40.30169988966806
2012	40.29105372442192
2013	40.268291258441494
2014	40.222131867986846
2015	40.12445484009287
2016	40.04234170411049
2017	46.51769197390067
2018	15.1885155363758
2019	13.892641637548268
2020	9.404823310295196