Year	% of total merchandise exports
1960	2.629719805038692
1961	2.9035386457038865
1962	2.5355777574631055
1963	2.312187895816168
1964	2.843377827308834
1965	2.63286104530007
1966	2.5175639622435435
1967	2.1432833632902515
1968	1.8541376994858985
1969	1.9784185541750254
1970	1.7435578321794851
1971	1.8719501882908354
1972	2.072216987780484
1973	2.1006391523819374
1974	1.7059749433289455
1975	1.6999039655157817
1976	1.5444550286364722
1977	1.910203086268104
1978	2.2316315403868403
1979	2.126817802777766
1980	2.340278344331553
1981	2.209203019256464
1982	2.220437074542834
1983	2.281113076274224
1984	2.003793697570657
1985	2.4207656391973464
1986	2.5150044393628526
1987	2.646918840741856
1988	3.306308866574865
1989	3.43235261038986
1990	3.319156372021049
1991	3.381412008232835
1992	4.064464828921801
1993	4.749493353601621
1994	4.808013977645141
1995	5.320924434291735
1996	5.501097510563187
1997	5.602741558563177
1998	4.820254997086282
1999	5.149241378576031
2000	5.931351116151045
2001	6.284975063125551
2002	7.028266836239001
2003	7.6957070690653255
2004	7.858180645527904
2005	8.057954255188324
2006	8.143951630487598
2007	8.783799227862499
2008	8.993679969943953
2009	10.24791720292731
2010	10.97289310566383
2011	11.616528191012078
2012	12.068963303333474
2013	12.828988039283344
2014	12.797616235013647
2015	12.774005396284647
2016	13.145513602582207
2017	14.302583500356336
2018	15.136644109723887
2019	15.777299251313337
2020	16.213008317306855