Year	% of total merchandise exports
1960	8.729941826416272
1961	8.576341882843657
1962	9.691252144082332
1963	7.901582824008776
1964	7.953708000109179
1965	6.7629313609168715
1966	6.351474826043154
1967	6.59343088280801
1968	6.753578524796238
1969	7.461768324837406
1970	7.675519443174612
1971	6.733605019035874
1972	6.14859387310033
1973	5.892218522629179
1974	6.290961695704132
1975	6.929739579729199
1976	6.947262213446454
1977	6.46441943631943
1978	6.303564460969955
1979	6.824703771240928
1980	7.27842393937358
1981	7.026064371098319
1982	6.978613405497101
1983	7.049390277855114
1984	6.397132563235895
1985	6.7959061328556665
1986	6.620007367257802
1987	6.467909890222208
1988	6.609785282192974
1989	6.282606219995647
1990	5.713671307473862
1991	5.516454625551461
1992	5.610487299916754
1993	4.70526879593776
1994	5.415170105649343
1995	7.294884944953033
1996	6.490537907890601
1997	6.027856237165105
1998	7.469645235295006
1999	2.399946747394462
2000	2.1880030847835803
2001	2.101131795343852
2002	1.7478218826104557
2003	1.6121028555760117
2004	1.7993477730263958
2005	0.6278009915360405
2006	0.6313082794579096
2007	0.6368776143249384
2008	0.7015711287815377
2009	0.6501805877318989
2010	0.9978046676765667
2011	1.3569178138323175
2012	1.5015020949785458
2013	0.9591599343322786
2014	0.90448222296456
2015	0.5626578557961492
2016	0.5391402476846867
2017	0.6706455643473712
2018	0.7722329605707124
2019	0.944407215897768
2020	0.5478120974117375