Year	% of total merchandise exports
1960	3.5984199970954234
1961	3.4875020586463177
1962	3.4249023323687298
1963	3.583476582292664
1964	4.0626269111111295
1965	4.1559391067346905
1966	3.564572870710027
1967	3.5556153731680835
1968	3.4051656211887953
1969	3.351314934293869
1970	3.4612547601649877
1971	3.5537477216161224
1972	3.0341198487760614
1973	2.910737440557807
1974	2.923729510568052
1975	3.2532704183528285
1976	2.885467430224151
1977	3.01974462301574
1978	2.9376534965349124
1979	2.4354575107864846
1980	2.9023463827360643
1981	3.103308591891763
1982	2.811336056159147
1983	2.3010778799849243
1984	2.1269774839572064
1985	1.977180575845754
1986	1.7854759810503322
1987	1.7050589171266488
1988	1.6442011894656425
1989	1.4868135063142023
1990	1.4772859598239039
1991	1.4786477406725895
1992	1.5027341189644072
1993	1.378264998207479
1994	1.2555002716751804
1995	1.3361136814460026
1996	1.3123704118843722
1997	1.2662161942101027
1998	1.3491296767942378
1999	1.192159744659589
2000	1.3070010408059443
2001	1.3854397260037208
2002	1.3980969519709703
2003	1.4293127743659402
2004	1.491863836300509
2005	1.5676787832932901
2006	1.6859896635108567
2007	1.7223827015677915
2008	1.8419174003170293
2009	1.9905496548603827
2010	2.0311735928548957
2011	2.2026657666598406
2012	2.2095571822493185
2013	2.2749185993799874
2014	2.336939515696075
2015	2.23715948432857
2016	2.0263127995260364
2017	1.9377198955615256
2018	1.9089154857517177
2019	1.9932156927577132
2020	1.9685332191897178