Year	% of total merchandise exports
1960	12.681994160793872
1961	12.912959167640063
1962	12.85619873379716
1963	12.495542997914663
1964	12.829523384066297
1965	12.648167297650689
1966	12.850983785700656
1967	13.112512246967107
1968	12.996457628986512
1969	13.661604183687235
1970	13.794042530647932
1971	13.762429864015605
1972	13.649947321929409
1973	13.671230825898986
1974	13.877125614259898
1975	14.627271291628658
1976	14.556008947221441
1977	14.556225839691281
1978	14.397127829800466
1979	14.00151440223496
1980	14.002080519811718
1981	13.47111645033834
1982	13.307620435105536
1983	13.2819720058623
1984	12.636744651698722
1985	12.487146378138531
1986	12.14131398117589
1987	11.841284916632322
1988	11.903993148535342
1989	11.657182153933416
1990	11.988831758310546
1991	11.24339117428172
1992	10.401360598933527
1993	8.023654850861934
1994	7.891086590737399
1995	7.340497449943404
1996	7.2359932249384
1997	6.502917336495632
1998	5.989497160622739
1999	1.1331747077534413
2000	1.149381501696811
2001	1.1231289121393542
2002	1.1421873563361966
2003	0.9981328401631184
2004	1.1446333992791162
2005	1.1263667097974357
2006	1.1223994948707914
2007	1.1424128586143414
2008	1.2622655615569245
2009	1.2284933906394555
2010	0.9298181577786631
2011	1.0223407759996797
2012	1.2110117578386714
2013	1.283749701878304
2014	1.1245989260120675
2015	0.9277214499095526
2016	0.8106407172765583
2017	0.9437803723076125
2018	1.144638211184417
2019	1.0280561962308066
2020	0.7555400723793687