Year	% of total merchandise exports
1960	0.38910505836575876
1961	0.3744202867719015
1962	1.389217029721684
1963	1.1690009337068161
1964	0.8618065150699047
1965	0.920834142028423
1966	1.0544845501777413
1967	1.4133553249802009
1968	1.311778079240148
1969	1.129700247207765
1970	1.2550566408222104
1971	1.1012751165466974
1972	1.4508383015391693
1973	1.0276052924959536
1974	0.8026241617121448
1975	0.486391695343939
1976	0.48201657751833005
1977	0.428588452718908
1978	0.4711734956022404
1979	0.4095387987774344
1980	0.5659472963144475
1981	1.4446377359668119
1982	1.7429049337548814
1983	1.7462879494421608
1984	1.8644246738424755
1985	2.274761428046775
1986	2.3019539679246326
1987	2.154810268290859
1988	2.3156767661148163
1989	2.023151874808665
1990	2.3174918727793083
1991	2.0350274568175593
1992	2.2224487400105435
1993	1.9069460858662364
1994	2.0505398535464665
1995	2.2230081799577786
1996	2.5741790955110613
1997	2.065817925744959
1998	2.054388282535946
1999	1.624708735838885
2000	2.0617983383238188
2001	1.9896899165947601
2002	2.128114870983249
2003	1.8958181156576188
2004	1.9711339857450567
2005	1.361886850902996
2006	1.2724842909669383
2007	1.5125072168291998
2008	1.496492017201898
2009	1.5974800025077678
2010	1.682883026855884
2011	1.2996161160566762
2012	1.3425194599921415
2013	1.5460069094042013
2014	1.497907420039222
2015	1.6959967847401602
2016	1.9080195710957413
2017	2.297482910235906
2018	1.8471317667787608
2019	2.3519202448573973
2020	3.8681513230300912