Year	% of total merchandise exports
1960	4.736362716324258
1961	3.637226970560304
1962	2.9105086589899356
1963	2.5504874651810585
1964	2.590151221403645
1965	2.545760572270145
1966	2.7167054134838926
1967	2.7516953573291603
1968	2.6731098605333985
1969	2.6939552114845444
1970	2.460544571626778
1971	2.2163590628936953
1972	1.93008530651302
1973	1.8770809667437032
1974	2.1780196794400877
1975	1.997863850491369
1976	1.5756317369172463
1977	1.102415193062857
1978	1.9749265325462573
1979	1.3165475606832162
1980	1.4482109919412016
1981	1.4549012722624517
1982	0.9130411836109986
1983	0.8359681728933451
1984	0.6525687289302503
1985	0.7188857490911251
1986	0.6759619587978686
1987	0.7717591611734936
1988	0.676478291160924
1989	0.8807373521887677
1990	0.8790310066695001
1991	1.1981293195752256
1992	0.9927796202914735
1993	1.0423240783707313
1994	1.2567336378951097
1995	1.2793631329854747
1996	1.1919220054881094
1997	1.2400589557640225
1998	1.725944972388222
1999	1.5385614186026437
2000	1.9874539259531772
2001	1.9392712297313
2002	1.6942488648578575
2003	1.3529443319325365
2004	1.6809095724261642
2005	1.4443282045079078
2006	1.6315580546579986
2007	1.496956992100462
2008	1.9464372166905948
2009	2.1802964934966953
2010	2.0147652998494263
2011	1.991245387945975
2012	2.562729928082482
2013	2.2092326766248545
2014	2.122917879908186
2015	2.1812227281068615
2016	1.9143672511709262
2017	1.811527865640031
2018	1.7741652927323743
2019	1.7387669194677369
2020	2.104117839661102