Year	% of total merchandise exports
1960	2.2200134510198373
1961	1.9446137179226757
1962	2.0856645924883432
1963	1.380851788288833
1964	1.516406120772485
1965	1.095543211587419
1966	1.0280814332519208
1967	1.0885005287123284
1968	0.8978859101259232
1969	0.9958601921602479
1970	1.1436985642401634
1971	1.2450790469303439
1972	1.3936913736818417
1973	0.7835175673817698
1974	0.4735915688988678
1975	0.3181855093140812
1976	0.462598414976489
1977	0.4124087619534594
1978	0.3969688530974632
1979	0.39932896205032836
1980	0.5340018078662764
1981	0.5005830068807355
1982	0.4480278989069809
1983	0.5335728767003414
1984	0.5097521900900314
1985	0.44016765913480116
1986	0.8312327866296269
1987	0.6341002473300832
1988	0.671680224813461
1989	0.7967354183589728
1990	1.0008413522073583
1991	1.2154878279087353
1992	1.8571753049897455
1993	2.371487279762145
1994	2.04186199324802
1995	2.1909446038807663
1996	2.934525556914841
1997	2.911402213751114
1998	3.248799103527035
1999	5.252512577140077
2000	5.198926963450186
2001	3.7055434267971816
2002	3.7369477272572857
2003	3.383292808475475
2004	3.8736001448751565
2005	4.590317418596257
2006	4.357715981682813
2007	6.142406974059613
2008	8.87832777848491
2009	7.340168913685973
2010	8.529194520365904
2011	8.595851395477194
2012	9.217154998608905
2013	9.22623092265292
2014	10.897166732613837
2015	11.232757187930332
2016	10.317867929667457
2017	11.250520074359901
2018	12.119249443180468
2019	11.888461395656021
2020	8.889039939122172