Year	% of total merchandise exports
1960	4.269108708458591
1961	3.6110977080820263
1962	3.8064052775216677
1963	3.4566478310049984
1964	3.358831650881047
1965	3.5436921291312484
1966	3.1184488990543664
1967	2.6244484958540992
1968	1.9340510955591677
1969	1.4795035867423194
1970	1.3032275632984254
1971	1.3711644213884453
1972	1.311329284346296
1973	1.1890933054019912
1974	1.6704561425957745
1975	1.6369979587384424
1976	1.237365926802201
1977	1.4818276901760388
1978	1.6712715040655333
1979	1.8273642503609844
1980	1.792034871295113
1981	1.9006653746159803
1982	2.1256301629229437
1983	2.0682109759455556
1984	2.1559458811621366
1985	2.0756815983318857
1986	2.068734581197912
1987	1.8257810100150067
1988	1.747524067689101
1989	1.6461359768543693
1990	1.5912019412056106
1991	1.4664583989309554
1992	1.3869043672400931
1993	1.5427886206928012
1994	1.4537740797186176
1995	1.5484249674321326
1996	1.5733984233803708
1997	1.5402998596604425
1998	1.7804887328385945
1999	1.7040515932274711
2000	1.6075390071823041
2001	1.6661653165561199
2002	1.695844352063716
2003	1.8454722564951385
2004	1.9781756682642686
2005	2.2242647380670486
2006	2.4463237227171235
2007	2.7456168926936617
2008	3.1038494738238263
2009	3.432178285713354
2010	3.622579145649403
2011	3.7567618679760337
2012	3.451481319270512
2013	3.333975730191732
2014	3.5101384829233395
2015	3.840712036338092
2016	3.9963533728253773
2017	4.266392693574982
2018	4.216294637313069
2019	4.052213926286542
2020	3.513369321632999