Year	% of total merchandise exports
1960	2.882205513784461
1961	3.404025173724925
1962	2.8358955332225646
1963	3.208904413723691
1964	3.2730212025119694
1965	2.9423581405241888
1966	2.9438360293378882
1967	2.439268857179305
1968	2.2556851222722125
1969	2.462251081039477
1970	2.7202273622869972
1971	2.484336811622603
1972	2.3392393101819042
1973	2.0994575455639026
1974	3.0669869352441275
1975	2.8284085139850395
1976	2.8813375633017397
1977	2.32992232826925
1978	2.4280103901252517
1979	2.253383419955745
1980	3.304588155569433
1981	3.156169476703416
1982	2.3579416648769445
1983	2.1792496345114962
1984	1.884151223817851
1985	1.5580249742238514
1986	1.806834066441198
1987	1.7388016039499405
1988	1.4204768180253233
1989	1.3938008604681207
1990	1.2513913139598707
1991	1.1989366197445919
1992	1.3729637040407372
1993	1.3625085386210227
1994	1.4003838479768822
1995	1.429628259284133
1996	1.4120355449562556
1997	1.5305455162194517
1998	1.3320394676052139
1999	1.1072934947463111
2000	1.1656538403663723
2001	1.2282052972604733
2002	1.1748562224935966
2003	1.1720967014112615
2004	1.3812835764193385
2005	1.5515879756169229
2006	1.860407588045172
2007	2.089894861607419
2008	2.44079936282705
2009	2.4809367351839855
2010	2.626774074074074
2011	2.6076819727725407
2012	2.4628558552264446
2013	2.327502548169683
2014	2.1583044681146553
2015	2.408855330486228
2016	2.5321978113449695
2017	2.3978808514550285
2018	2.4472882616921803
2019	2.253721128541262
2020	2.262894365413796