Year	% of total merchandise exports
1960	0.06550717511006843
1961	0.07932632558697074
1962	0.47989356402492955
1963	0.38698095128330456
1964	0.3360205149367014
1965	0.2495081467837235
1966	0.397796476302686
1967	0.5753315958364964
1968	0.547510782193922
1969	0.5083373123035255
1970	0.7142987528118547
1971	0.994444040641927
1972	0.3615158661274698
1973	0.2959483226904119
1974	0.11143918862945124
1975	0.4325905525998733
1976	0.7657686470688602
1977	0.7374094137673367
1978	0.8757785156088367
1979	0.7857207208091395
1980	1.5525401438137245
1981	3.3256750666604407
1982	3.2941703707406558
1983	2.9908016599858387
1984	2.7857152851572398
1985	3.106084711791988
1986	2.775141897556205
1987	3.2789344890517014
1988	3.4962009500776015
1989	3.0944159158990048
1990	2.6897401837785937
1991	1.0419276437605185
1992	2.845886025176587
1993	3.1566768820470408
1994	1.7760291258702912
1995	2.290630579590092
1996	1.8757774276947616
1997	2.1475246111580444
1998	2.2749705012270214
1999	1.7926611701777055
2000	2.4305438237381387
2001	2.691359187785962
2002	2.8166293814172767
2003	2.7251871049739718
2004	3.343136074008663
2005	1.7879531489784415
2006	1.4350119221729412
2007	2.1676171104032957
2008	1.7205058771527868
2009	1.7618920452410314
2010	2.4049105931574415
2011	1.5426314902506737
2012	1.0801840281163428
2013	1.0879643859441468
2014	1.0623361868864418
2015	1.7852672704274875
2016	2.420869592200546
2017	2.8460641066474923
2018	2.5059496683962594
2019	3.2650796053547335
2020	7.256934310319179