Year	% of total merchandise exports
1960	0.24676887010703602
1961	0.7276917012825566
1962	0.8317852884908642
1963	1.2566457225712904
1964	1.1846960574868906
1965	1.111883252258513
1966	1.2130885873902633
1967	0.48217416715371125
1968	0.5903349807797913
1969	0.5263861705102177
1970	0.3914100230426869
1971	0.42081027744456917
1972	0.3529201421008854
1973	0.35942383105443715
1974	0.4563299291765399
1975	0.6076926251496018
1976	0.5103759880249444
1977	0.3810096509300973
1978	0.45196665453703394
1979	0.40821958764072075
1980	0.5433399336517016
1981	0.6476432913772766
1982	0.42052648478197324
1983	0.542195168380263
1984	0.4354052729212522
1985	0.3451032761968354
1986	0.4558907409018653
1987	0.39927794228425656
1988	0.49566158125979737
1989	0.2955986057532406
1990	0.3814629008709306
1991	0.4452098020112646
1992	0.3159115299380511
1993	0.4936672969081529
1994	0.44885322648583564
1995	0.4857582318107165
1996	0.39831770005020395
1997	0.43360960357673295
1998	0.3073770934458054
1999	0.3742635756356373
2000	0.388204871474121
2001	0.4735266234312773
2002	0.6308784909696373
2003	0.765374898151347
2004	1.0271577916738321
2005	0.9389307396839099
2006	0.9755624472729226
2007	1.612473550776728
2008	1.5350064809263204
2009	0.910143903197882
2010	0.7831193674632089
2011	1.0660943686806579
2012	1.9213150725624777
2013	1.5320227935298252
2014	1.9291952293040988
2015	1.8914865840516695
2016	1.5608373084290241
2017	1.7622031203120618
2018	1.3661550936632512
2019	1.2687545555069044
2020	1.3299626983902995