Year	% of total merchandise exports
1960	3.847029364898703
1961	3.224762726488352
1962	2.431736218444101
1963	2.4369747899159666
1964	2.0370082413310526
1965	1.8759119016188424
1966	2.012949548047952
1967	1.9933172024426775
1968	2.2203862439326656
1969	1.8785182495006356
1970	1.9247174909752602
1971	2.0126597116399014
1972	1.8776776526128394
1973	1.9103739859608535
1974	1.9038405141086616
1975	1.5684593364955126
1976	1.4820390857180388
1977	2.3606851739271177
1978	1.5802590479976883
1979	1.8231277837431985
1980	1.3052593465459525
1981	1.3768087700336324
1982	0.8999115028100139
1983	0.6078963105121894
1984	0.5132941115592292
1985	0.5196432538484004
1986	0.7503188177792514
1987	0.555250155170531
1988	0.6159860059974297
1989	0.5681678532490969
1990	0.5662428024332828
1991	0.6341226941498065
1992	0.5670706475972567
1993	0.6531166414063283
1994	0.7981988852732466
1995	0.9740223570314701
1996	0.7697887408607145
1997	0.7499187385592233
1998	1.0262240325868663
1999	0.6708378892594928
2000	0.5722742052507143
2001	0.6365019869583717
2002	0.6215488931552268
2003	0.6407879551071373
2004	0.7155372108525507
2005	0.7553446699822653
2006	0.506757151163743
2007	0.6827621901053696
2008	0.615385273980578
2009	0.6837241295449485
2010	0.9815309637327905
2011	0.7956734000810953
2012	0.8177524629562928
2013	0.8427889945349463
2014	1.129304566839027
2015	1.1707148665782672
2016	0.9878445114703741
2017	0.7837342137022372
2018	0.7083465096843968
2019	0.893413028679238
2020	0.9428536303912777