Year	% of total merchandise exports
1960	1.024713682941531
1961	0.967741935483871
1962	1.0337698139214335
1963	0.9485589201021525
1964	0.9520682862770847
1965	1.02402143745813
1966	0.834649221745996
1967	0.8265000650787453
1968	0.8142580571688873
1969	0.938018939903954
1970	0.8456322297566814
1971	0.9590543936015855
1972	0.9100596146646316
1973	0.7320441988950276
1974	0.8583762800348036
1975	0.6112408686577548
1976	0.47777972949235903
1977	0.5962194502338217
1978	0.6372357511828797
1979	0.9012867053622605
1980	1.1267591368771808
1981	0.9156209512386062
1982	0.5362878556133375
1983	0.3098383926621533
1984	0.30263376024210703
1985	0.3471050315339461
1986	0.4567239285583471
1987	0.48918136785409005
1988	0.49197882551415123
1989	0.6807301104533205
1990	0.8968926278335813
1991	1.0154262083040702
1992	1.1831198471399205
1993	1.320360188901347
1994	1.5268454691888893
1995	1.6172063804305237
1996	1.4758567880374451
1997	1.5052325555147708
1998	1.5345588221298496
1999	1.2236794615599593
2000	1.4152543639060569
2001	1.3871713380855932
2002	1.4418555225534635
2003	0.9891691541688985
2004	1.0400780690224074
2005	1.0823860591155126
2006	1.1492434038496746
2007	1.1833072476002333
2008	1.3011062383435676
2009	1.0619924014456108
2010	1.2449301997863549
2011	1.435303446018359
2012	1.3841541220910685
2013	1.5486559071817239
2014	1.7485924882331967
2015	1.4632614185981785
2016	1.634776952033765
2017	1.3978290323284206
2018	1.5574433762988942
2019	1.6953713551707983
2020	1.3997803545035665