Year	% of total merchandise exports
1960	9.756662175481749
1961	9.789942636155029
1962	9.714637796928546
1963	9.894085737436326
1964	10.235765657310433
1965	9.856609464231559
1966	9.708752606276683
1967	9.205104502355665
1968	9.571256955755015
1969	9.819232177927283
1970	10.899151030884028
1971	10.88420481963787
1972	11.150142695715195
1973	11.166844029905233
1974	10.857327542003949
1975	11.790513410940685
1976	11.555740909324332
1977	11.490364391346313
1978	11.354817554788118
1979	10.911999520339215
1980	10.386193899988646
1981	9.589600748414927
1982	9.981443577177421
1983	9.465829654548893
1984	9.100565511050316
1985	9.068768266354763
1986	8.85162375968371
1987	8.424970563493716
1988	8.363809220445388
1989	8.074112042748933
1990	8.0108642939856
1991	7.209735902501814
1992	6.464725659132207
1993	5.2800003044205415
1994	5.092982854818043
1995	5.291273472452351
1996	4.922903026461074
1997	4.111192704757664
1998	3.9207589737999613
1999	1.1086628275999886
2000	1.262619907492106
2001	1.2465573347847207
2002	1.1476116914742482
2003	1.0479896106463469
2004	1.180888719173598
2005	1.4349296836269243
2006	1.4076196950990232
2007	1.4219678721426992
2008	1.607066486604985
2009	1.5191049396697092
2010	1.3323374451373977
2011	1.480721738133733
2012	1.6491459729777052
2013	1.6810274779098866
2014	1.506136065732612
2015	1.164194946262793
2016	1.0497731576992637
2017	0.9973435356273409
2018	1.3543686199728036
2019	1.2850548991419948
2020	1.2124270637501329