Year	% of total merchandise exports
1960	77.32862375719517
1961	77.57994186046511
1962	76.98506500483508
1963	79.55715756951597
1964	79.80842185128982
1965	80.15768725361366
1966	77.74597202911589
1967	78.2658150319363
1968	76.36871508379889
1969	77.27876880027982
1970	74.32010360326046
1971	74.78871221887982
1972	84.71886246976223
1973	79.32696559653311
1974	81.05398921418595
1975	75.65834590591139
1976	80.84407160771427
1977	82.44856855128756
1978	84.24146734748723
1979	88.63408660803739
1980	90.20704013571346
1981	88.52202718182099
1982	89.50016266755937
1983	89.98776481555348
1984	89.96915858720081
1985	91.65279386218876
1986	90.48172588091683
1987	90.62638295236567
1988	89.79824901845795
1989	91.47636182442899
1990	90.78100163195931
1991	94.3211492040884
1992	94.15030186206353
1993	94.64793999227457
1994	95.07940830087438
1995	94.04858030059277
1996	93.78945220911957
1997	94.40806870761234
1998	95.33570905748378
1999	96.13461381982681
2000	96.25633491653574
2001	95.85941339849728
2002	95.51498525256916
2003	95.538610748642
2004	95.52242535785146
2005	94.72276421246225
2006	94.12057513714224
2007	92.90692085304222
2008	91.9373137914464
2009	92.21886460600783
2010	91.61973444834204
2011	90.4641945666265
2012	90.06385872643418
2013	90.10549373051063
2014	91.5495054344266
2015	92.59096690106055
2016	92.45662140263241
2017	92.05784658295741
2018	92.1222735976109
2019	92.73712733714862
2020	93.06672126312053