Year	% of total merchandise exports
1960	1.8785938071501858
1961	1.981445959608976
1962	1.4979381441916495
1963	1.5232885541607553
1964	1.5831505542420996
1965	1.7785630955394685
1966	1.567354268188212
1967	1.547032361773474
1968	1.5616513744864307
1969	1.7498343294147207
1970	1.841737432329857
1971	1.9221573074994867
1972	1.716539700604292
1973	2.0870151539136303
1974	2.773608499634711
1975	3.087441533617567
1976	2.0255116026908175
1977	2.102638218180505
1978	1.9095568436338566
1979	1.564724157875282
1980	2.007726668527605
1981	3.2356562703789407
1982	3.7312625586592025
1983	4.117177749060643
1984	3.883395724121652
1985	3.619496786789722
1986	3.4024838250507545
1987	3.2039964007394897
1988	2.9063219229478094
1989	2.4161574484515334
1990	2.3871571828686733
1991	2.2113131929238894
1992	2.1558347997187757
1993	2.074430285643334
1994	1.603904848035695
1995	1.7608986999399758
1996	1.7245803039768088
1997	1.686132106730899
1998	1.7574238503790907
1999	1.6050927792775092
2000	1.5299778206189891
2001	1.891645283644264
2002	1.9650610300525888
2003	1.95010564829739
2004	2.138543469311483
2005	2.0348177593837615
2006	2.066651773509154
2007	2.331257013000367
2008	2.5393419867730995
2009	3.0091641180521678
2010	2.760523682192056
2011	2.519330617380858
2012	2.7418261347398247
2013	2.7369059276944854
2014	2.9275678433427794
2015	2.8253230404977923
2016	2.8705421461718292
2017	2.6872452177988513
2018	2.5124422166427363
2019	2.4932280695003426
2020	2.357801280444193