Year	% of total merchandise imports
1960	0.042961477874838894
1961	0.0844475721323012
1962	0.07179781734635267
1963	0.0751597143930853
1964	0.09067210699308625
1965	0.07937207866654908
1966	0.32122559920929084
1967	0.34581646423751683
1968	0.20037489496477282
1969	0.2703669085959112
1970	0.25993126375618547
1971	0.2583289643010343
1972	0.21959058650963137
1973	0.3086588915395732
1974	0.31339212366848057
1975	0.25558180122167723
1976	0.26966671577724105
1977	0.30367060567766263
1978	0.3223289546053389
1979	0.47113455981516467
1980	0.6094564042072153
1981	0.47877955481901047
1982	1.2263550644993348
1983	0.5001562988433885
1984	0.48808976188003067
1985	0.43336816460885863
1986	0.4829009756985496
1987	0.5258738752964541
1988	0.927373138365921
1989	0.9529359142520892
1990	0.96202895160327
1991	1.439011692881365
1992	1.6792501386330267
1993	2.245867249415703
1994	2.194362459665285
1995	2.177771517167201
1996	2.6453480281650945
1997	2.965536669661815
1998	3.2112563702370105
1999	3.281136962541552
2000	3.2834314076570656
2001	3.898727841802585
2002	3.996230758616997
2003	3.9911717044684445
2004	4.186614762076444
2005	4.715961072676229
2006	4.547964685870514
2007	5.875689132718036
2008	6.310336609165086
2009	6.811725999237314
2010	5.526947265844791
2011	5.509157414857988
2012	5.467767653261923
2013	5.326161337309121
2014	5.910412464851578
2015	7.3540809717695454
2016	7.878359928841788
2017	6.895849879644024
2018	7.479699705724537
2019	8.481845819216456
2020	8.979686182989472