Year	% of total merchandise exports
1960	10.026145638602308
1961	9.212947792640886
1962	9.766700929159242
1963	12.247720410232617
1964	11.395937395937397
1965	10.891489974228381
1966	11.825456663230051
1967	12.060658100871272
1968	14.803760222645462
1969	11.824920125140524
1970	12.490797014119053
1971	9.657418246042983
1972	9.943380455410072
1973	11.077503346798512
1974	12.55144860274999
1975	15.894551326898231
1976	16.13516210028242
1977	15.545084631007889
1978	11.319720878615275
1979	13.606581517655854
1980	14.511735987870223
1981	16.60693408428315
1982	12.109678212396224
1983	11.119473481265477
1984	11.750130744899478
1985	9.37816200206564
1986	13.204949596352696
1987	12.057182598795317
1988	10.9254150374642
1989	12.595018187275164
1990	10.59479848957334
1991	10.20112348755607
1992	7.8591695263218035
1993	6.394707947501033
1994	7.840208086205577
1995	7.129373651579572
1996	11.693023553242384
1997	8.597003961116009
1998	4.496689505442252
1999	5.180654114630471
2000	4.9799373026804306
2001	5.330528974600444
2002	3.8545663892647117
2003	3.1915464509156783
2004	2.9129870833916325
2005	4.103541618355642
2006	3.8334479378255155
2007	4.642698175754169
2008	3.8785098016899147
2009	4.62577602275064
2010	4.494356814939774
2011	3.159586323232408
2012	3.1207769315222404
2013	3.552080072458054
2014	4.018212859207394
2015	3.8251709634299345
2016	5.13218832883797
2017	4.338127096786515
2018	4.162540821184117
2019	4.156426712584797
2020	4.550126830288238