Year	% of total merchandise exports
1960	0.024560171191410397
1961	0.046090951505059694
1962	0.06469612504203877
1963	0.03989155225803574
1964	0.06602799983360944
1965	0.09065759182978016
1966	0.14391318712448836
1967	0.18230903508385457
1968	0.23072681679688012
1969	0.15353180524592458
1970	0.10091103395862035
1971	0.17658144621254634
1972	0.18970466565859145
1973	0.201768906236301
1974	0.16338445800800633
1975	0.26219806318466726
1976	0.23294293383572867
1977	0.22021627027415336
1978	0.220756299461032
1979	0.14207344904658195
1980	0.07473977721185673
1981	0.0849449399622579
1982	0.10995257047471281
1983	0.1902322649029006
1984	0.2934477051828222
1985	0.3308669747441372
1986	0.34761493068474864
1987	0.4836807361288792
1988	0.45826482601315577
1989	0.4367068943146165
1990	0.33500632550798354
1991	0.2293477304183735
1992	0.32377655079580747
1993	0.5376349971659833
1994	0.31922227857380764
1995	0.6321772424729293
1996	0.6632056053255035
1997	0.7619261567822474
1998	0.7316863773629122
1999	0.5927421897055519
2000	0.4439019649478351
2001	0.6463804779738181
2002	0.7567506974525541
2003	1.0364434322843166
2004	1.0684546000652602
2005	1.3851277721200503
2006	1.4693173725541622
2007	1.3937220781928032
2008	1.524975174027889
2009	1.331110419036676
2010	1.5872921596010208
2011	1.441014502057413
2012	1.3165443618446533
2013	1.3656198850351644
2014	1.4464268301713825
2015	1.263630790473541
2016	1.2880651828701117
2017	1.4092104025160732
2018	1.373643317502749
2019	1.246058606582438
2020	1.4824335510256095