Year	% of total merchandise imports
1960	12.351421188630491
1961	14.01543440378392
1962	15.866329682673404
1963	16.581141757536884
1964	13.303549267808389
1965	19.398530762167127
1966	11.841302136317395
1967	13.681474480151229
1968	15.304642166344292
1969	17.47864234587855
1970	20.831683168316832
1971	23.35033471469557
1972	21.58393753485778
1973	21.78042853987188
1974	11.04720013534089
1975	7.145066501701196
1976	8.149762790101295
1977	9.545596571887693
1978	10.357515905422076
1981	4.852819297957583
1982	5.502092338301759
1983	6.684760267304202
1984	6.718318970923118
1985	7.143514222515396
1986	9.031351227680215
1987	11.133238850943938
1988	7.0263709801577106
1989	6.143522947398825
1990	4.666441208749945
1991	0.9411515550331965
1992	1.8436651943226454
1993	3.255098686172104
1994	1.402738529630623
1995	0.3747547912672297
1996	0.7264450502546596
1997	-2.714314531213399E-08
1998	2.3436633235187018E-08
1999	-4.813477561711833E-09
2000	0.00419825887150064
2001	0.06585016409603431
2002	0.012177507445678568
2003	0.14024944638069334
2004	0.09902158175840822
2005	0.048484159137371315
2006	1.5884116760164548E-05
2007	0
2008	3.065453087400045E-05
2009	0
2010	-1.1290930085700921E-14
2011	-1.1581326223596264E-14
2012	0
2013	0.00020718156368226674
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0