Year	% of total merchandise exports
1960	0.9833279829218918
1961	0.8457607058150465
1962	0.7731456805052083
1963	0.7774092122181284
1964	0.7040184234478508
1965	0.7973473032910874
1966	1.035340735415707
1967	1.0001966699025902
1968	0.8825843031099142
1969	0.7478792872840112
1970	0.735161721417808
1971	0.7171030539744754
1972	0.7706350878358522
1973	0.7826474034330417
1974	0.9926887340953344
1975	1.2049066646094513
1976	1.0992406061710411
1977	0.9182005448733562
1978	0.7132607914249486
1979	0.661758364998859
1980	0.651747294131906
1981	0.6738354172605089
1982	0.697898044694914
1983	0.7514601942836189
1984	0.8164131408015738
1985	0.9335782028981816
1986	0.8460756123117811
1987	0.9173254969921835
1988	0.8086979747798463
1989	0.771903622849105
1990	0.9198360018647446
1991	0.9193940454993537
1992	1.199184922795024
1993	3.044509257681059
1994	2.7542512600665545
1995	2.9723425973950053
1996	3.4243182087821533
1997	3.6148083425714717
1998	3.1841136519365856
1999	2.4931947609498475
2000	2.7952452814183815
2001	2.811720251448472
2002	3.1278020730455367
2003	3.4415437650911396
2004	3.9189294565029176
2005	4.312421550904587
2006	4.835987743072233
2007	5.201403779870863
2008	5.661000951489948
2009	4.88010901602037
2010	5.253963571392322
2011	5.737810552788234
2012	6.054344182313985
2013	6.017197151446911
2014	5.382559351800715
2015	4.568273375617642
2016	4.4639946041760314
2017	4.65285024982359
2018	4.396364860029318
2019	4.460193512547181
2020	4.585430115921978