Year	% of total merchandise exports
1960	12.557743739362994
1961	11.959121548162644
1962	12.927191679049036
1963	11.313423399131576
1964	10.960989038685748
1965	11.191162819387152
1966	12.266779844640894
1967	11.95960485470529
1968	11.587185767039326
1969	11.216973812399003
1970	10.10436417174181
1971	7.822893755884268
1972	8.710817463538564
1973	9.859006009341396
1974	5.316904785261543
1975	5.09083268419477
1976	5.293336999202176
1977	6.840981532968052
1978	6.41813497594981
1979	7.057945592232184
1980	7.782022548182817
1981	7.375276126855218
1982	7.999380240097651
1983	7.6891587208803
1984	7.921841098369785
1985	8.433085322028159
1986	7.062528126006468
1987	6.547221659060652
1988	14.674428359079142
1989	15.081953733202782
1990	19.240855572806286
1991	5.8053996204499745
1992	4.8624379395679025
1993	4.192975852523075
1994	12.811260442365915
1995	13.554272105769236
1996	13.558698760530005
1997	12.368254761263799
1998	15.000986711769714
1999	13.734098975374906
2000	3.686685899517971
2001	1.1442159546927808
2002	2.006788641017201
2003	2.164908653817094
2004	2.7819981308695976
2005	3.944337571266593
2006	3.7855528058796195
2007	3.5642938881248725
2008	4.560617717194788
2009	1.6825501997298833
2010	1.1339492601335275
2011	1.0040944598768897
2012	0.8541939368702378
2013	0.6434110485480052
2014	0.5028989936085315
2015	0.8493534087911534
2016	1.6092748069478684
2017	1.6319284509375809
2018	2.1286368621970317
2019	1.3313796716577564
2020	1.3383138767489342