Year	% of total merchandise exports
1960	12.536098352539948
1961	12.495811593509167
1962	11.504538724006954
1963	11.858923467767546
1964	12.411341515023276
1965	10.979410983604266
1966	11.328864746337088
1967	12.003083614272072
1968	11.646602171300218
1969	11.9032805188828
1970	11.89446038469129
1971	11.404406293185925
1972	10.160748107338078
1973	9.943332822818215
1974	11.688226410138551
1975	11.68155830723705
1976	11.043155709193856
1977	11.046955799811876
1978	9.662508254359194
1979	9.299196976330476
1980	9.271420785515772
1981	8.757596057227618
1982	9.554263328306996
1983	8.908111619048666
1984	8.505090248321112
1985	8.67497160137833
1986	7.994913731900885
1987	8.006607361013128
1988	7.818739567666302
1989	7.880070757807194
1990	7.692602060365651
1991	7.211564592364972
1992	6.881210655456356
1993	3.983152878060276
1994	3.810224185012908
1995	3.4751914419218037
1996	3.729061728490578
1997	3.8082100763883973
1998	3.8597726726284596
1999	1.1318359551135349
2000	1.1959512071495264
2001	1.216861111975435
2002	1.0961579580641612
2003	0.960323444690472
2004	1.0583002924588607
2005	0.9617649436990413
2006	0.8658219841667406
2007	0.8798871850024589
2008	1.22133462245357
2009	1.1054104295202372
2010	1.000611099027736
2011	1.2963861781721195
2012	1.3671720129360019
2013	1.2466488041195725
2014	1.2432465115884008
2015	1.152628568521343
2016	1.1041224413464807
2017	1.1305971707743911
2018	1.4584001415765588
2019	1.580602733036151
2020	1.3584129601709265