Year	% of total merchandise imports
1960	2.4055887457555163
1961	2.184731961402541
1962	2.2926883282014168
1963	2.75602172484564
1964	2.552206831126281
1965	2.5546803335604227
1966	2.542217697998731
1967	2.241636598049158
1968	2.5566195044010933
1969	2.685520506590624
1970	2.7969361477521026
1971	2.9935531873517394
1972	2.9373416829290138
1973	2.861361789892852
1974	4.98619850601426
1975	4.34549199634302
1976	4.504109027660649
1977	4.298971292966666
1978	4.08843446737407
1979	4.945503642016768
1980	6.0928315363353995
1981	3.7372949401691287
1982	4.375359366421965
1983	4.4060004443577085
1984	4.3881039105134505
1985	4.071069652132875
1986	2.421365616803
1987	3.1499701572016847
1988	2.7135473034707576
1989	2.9132919857147956
1990	2.968986893987797
1991	1.8186972912173047
1992	1.873469764429523
1993	1.616482469709068
1994	1.3333094624858064
1995	1.3453736256871027
1996	1.5795328153121064
1997	1.595849077948398
1998	1.3902548704228452
1999	1.5603889424526423
2000	1.8703432925227752
2001	1.7968782882876895
2002	1.7340741872323973
2003	1.7854902803262123
2004	1.9681884755565155
2005	1.9739372218219267
2006	2.516189372258453
2007	2.64597951460544
2008	3.1362321958974713
2009	2.936534171450489
2010	2.8151526762013708
2011	2.6987913515793984
2012	2.633141405881499
2013	2.4076138885840295
2014	2.355701029525636
2015	1.8680272554735196
2016	1.7620117640283095
2017	2.0608440262209133
2018	2.381614505448614
2019	2.043302518608198
2020	1.7244307782316024