Year	% of total merchandise exports
1960	3.075613907123754
1961	3.50076103500761
1962	3.3603840438907304
1963	2.61271396825692
1964	2.227711100017724
1965	2.490673396391505
1966	2.6045825910682474
1967	7.95149159481182
1968	8.470806948974023
1969	8.591738275666941
1970	3.8159474539162375
1971	8.681056380276477
1972	7.715276643070615
1973	6.1128679448440435
1974	7.187004598544869
1975	8.615275524770622
1976	8.090501492278586
1977	7.486508793467694
1978	8.475524933775613
1979	9.30669935381764
1980	11.467980396362732
1981	10.14993203437892
1982	9.347804451008045
1983	8.616284397086329
1984	9.187292430342247
1985	9.79406743857777
1986	7.827914983933232
1987	9.005412163887286
1988	7.761289591740399
1989	7.179579795351828
1990	7.96951192133161
1991	10.764969339059395
1992	11.787345097110917
1993	13.01574844072713
1994	11.824320721409338
1995	12.56692560319288
1996	12.396283221096018
1997	15.083461870796025
1998	12.997618856250545
1999	12.89196052282993
2000	10.248926873037096
2001	12.059783036295453
2002	11.665228379639103
2003	12.24068255269142
2004	14.063318785499085
2005	15.12124006931903
2006	16.90677862412216
2007	16.567523415513374
2008	16.09809016619519
2009	17.654246700101666
2010	18.841169541221877
2011	19.39576843774941
2012	21.806431309912064
2013	23.189805888942956
2014	26.104729297509376
2015	23.97932931044945
2016	25.623267696706325
2017	28.442457531238873
2018	30.1629089169678
2019	30.36388932154645
2020	32.337445890021215