Year	% of total merchandise exports
1960	15.443093922651935
1961	15.813758389261745
1962	15.23582405935347
1963	16.100989934281674
1964	13.157699259662763
1965	13.346831066017561
1966	11.83041571391086
1967	11.068620261408956
1968	9.35268413005583
1969	12.723381882866343
1970	12.670807060894129
1971	12.733298225347966
1972	14.120315682869894
1973	12.007982530735735
1974	9.367464282049072
1975	12.262235452265985
1976	8.92646195388957
1977	8.625652675283407
1978	7.929639466261959
1979	4.675011377932444
1980	5.480243526429933
1981	4.853067813827186
1982	5.155150005382084
1983	7.508727662885232
1984	8.029220980641647
1985	7.05528396923722
1986	11.075475017491517
1987	9.887548642810353
1988	12.403631328254376
1989	12.542169707006098
1990	10.593354408969134
1991	10.429990032394295
1992	9.870044867115714
1993	10.476647060842199
1994	5.8557848335692535
1995	4.299179555069753
1996	12.575944882696922
1997	7.490739564318205
1998	4.584170621211077
1999	5.616253552260412
2000	1.2316036075581385
2001	1.8328340527489286
2002	1.455689576391308
2003	1.2533727094862026
2004	1.0037935536009541
2005	2.346816775264286
2006	2.0204762508729694
2007	3.330353541253735
2008	1.6440563748075447
2009	2.489793013380629
2010	2.0288546199294313
2011	0.9428898309408844
2012	0.9459040423121724
2013	0.5592748285440861
2014	0.7047717868661433
2015	0.6191258288195909
2016	1.0518970571469588
2017	1.8727864444754618
2018	1.7052039779405372
2019	1.6416735842371057
2020	2.0439249627171496