Year	% of total merchandise imports
1960	1.2202433433256923
1961	0.984523974022385
1962	0.9693629437510131
1963	1.0201350266186837
1964	0.8778785036990725
1965	0.8893167388663503
1966	0.9281351925223825
1967	1.077076991847421
1968	1.4578284999609161
1969	1.0418431306115534
1970	0.7508707817050191
1971	0.9411964217577479
1972	0.8496967140925611
1973	1.073831819679074
1974	1.808414963175421
1975	2.0032500124787167
1976	1.8771304334208563
1977	1.8176123454457773
1978	1.8715876192511707
1979	1.698253721890073
1980	2.1683445902892826
1981	0.45185842015813193
1982	2.3293997316076243
1983	1.8398634361771908
1984	0.5295213208412288
1985	0.4593141010566879
1986	0.6303098576438482
1987	0.4809099764202413
1988	0.6914271588975196
1989	0.6378838610319141
1990	0.7704612970927687
1991	1.256996459012177
1992	1.0962189262999862
1993	0.7178750825742588
1994	0.7065015092581441
1995	0.6455331817751604
1996	0.718617509141523
1997	0.8664016729443126
1998	0.5485080560317104
1999	0.40590991935434617
2000	0.7867218479771979
2001	0.9594512165197114
2002	0.6879607974698642
2003	0.8638669763449923
2004	0.5275385941684171
2005	0.2707053372523366
2006	0.21382141794317575
2007	0.21841258236708835
2008	0.24566894685476
2009	0.2706900223981882
2010	0.23882659822490374
2011	0.2538782205573259
2012	0.14392308313989524
2013	0.21727535690493535
2014	0.16986840103322215
2015	0.1287351305654706
2016	0.2573825862814758
2017	0.43257839509775314
2018	0.5287734851060338
2019	0.2740388787892131
2020	0.1638484471013671
