Year	% of total merchandise exports
1960	2.9269745388999913
1961	2.628083355133769
1962	2.642595222970744
1963	2.754483570017702
1964	2.6735883537072724
1965	2.5064992058311018
1966	2.1587631526432376
1967	2.107593673520313
1968	1.561427471170151
1969	1.1631444248265115
1970	1.1287992710902706
1971	1.1272338518399057
1972	0.9346086738595704
1973	0.9000324510872506
1974	1.0396909925677542
1975	1.1680532379107487
1976	0.9626519374962924
1977	0.9126762967536433
1978	1.0377025436637817
1979	1.0539819543416742
1980	1.1196040405080938
1981	1.23522850015412
1982	1.4275441130444146
1983	1.5139591570244164
1984	1.5122896614456809
1985	1.4409135970725426
1986	1.29635260750703
1987	1.2028482002650225
1988	1.1683883000020887
1989	1.1384690831198696
1990	1.0310917990499437
1991	0.9361697286017141
1992	0.9423674452588222
1993	1.0725854643057637
1994	1.0051212486330519
1995	1.0174824020827784
1996	1.0879469721282171
1997	1.0802537281660716
1998	0.9818036233620845
1999	1.022895926774316
2000	1.1840901584253984
2001	1.1470550614797999
2002	1.1664906217144162
2003	1.281837786210892
2004	1.4289980367460948
2005	1.6204270015343298
2006	1.731458183790413
2007	1.8649630901913876
2008	2.1312267288540014
2009	2.1271369625381653
2010	2.4400590225856353
2011	2.5656042390545832
2012	2.733207885716542
2013	2.4998282484968146
2014	2.4158877848443687
2015	2.3456980732010035
2016	2.2381345897043827
2017	2.433890125617257
2018	2.470714294970964
2019	2.4344577184309073
2020	2.0635284445644126