Year	% of total merchandise imports
1960	85.86819895852038
1961	78.62011637572735
1962	85.90088359585094
1963	82.98076923076924
1964	83.1962924203917
1965	88.26142873845434
1966	86.06469580119965
1967	87.43660468013168
1968	87.78894472361809
1969	86.96908407974574
1973	82.9742527374963
1974	83.41627041173652
1975	85.53726597009444
1976	87.12470997229703
1977	88.42612829198995
1978	88.38218279984574
1979	87.28210417741103
1980	79.22389160291272
1981	79.97040325564187
1982	73.89615871675814
1983	76.90438048942164
1984	76.74210017938458
1985	73.78155680224404
1986	76.60074826296098
1987	70.65855480841071
1988	70.32187002814833
1989	72.72585304911377
1990	71.71502435689257
1991	76.05896723106731
1992	78.73518580515567
1993	79.13709637171233
1994	72.9215769393811
1995	67.91764801429385
1996	63.10312892769729
1997	62.59947950062234
1998	67.36717168191021
1999	65.63904439012852
2000	68.47643149681987
2001	68.88317912231099
2002	74.48999903018641
2003	68.37489000645891
2004	77.08891570166692
2005	75.59625489298855
2006	75.71193642920971
2007	73.53931067582191
2008	67.64908439064976
2009	72.7390333359718
2010	72.9791783496028
2011	60.74774286714997
2012	56.65245887395093
2013	53.89938331507891
2014	53.53152999356139
2015	51.56522250811699
2016	48.43185331047826
2017	54.6826846710933
2018	52.56358952628778
2019	39.09904179731639
2020	38.07512750069294