Year	% of total merchandise exports
1960	0.07142134426873471
1961	0.024375380865326018
1962	0.11658994616394465
1963	0.0750462928417844
1964	0.05245945498888597
1965	0.08019729818510307
1966	0.07333168265153561
1967	0.09324218521219736
1968	0.03109869983861316
1969	0.024732149147405322
1970	0.026687055742179493
1971	0.06748068825730892
1972	0.028463244865032544
1973	0.019089421722806532
1974	0.026011735711300863
1975	0.08899452537902808
1976	0.034109351313148475
1977	0.05644698474138452
1978	0.030268528317050545
1979	0.018834459528191416
1980	0.01840096252162363
1981	0.07430526346060945
1982	0.1157327676058819
1983	0.18020983312061084
1984	0.23684694235720313
1985	0.3516243337826037
1986	0.5943580720716813
1987	0.680006071090289
1988	0.7916642765829522
1989	1.1470199401642398
1990	0.6073056920431167
1991	0.4541996400249113
1992	0.39436079353865866
1993	0.20995708012253328
1994	0.6837993268846876
1995	0.7575813002933685
1996	0.8200191854061443
1997	0.7109599529104003
1998	0.627862873661443
1999	0.8526729943897334
2000	0.41467058672314844
2001	0.2750383491903648
2002	0.49568369041867244
2003	0.4472095893464682
2004	0.4749341936844036
2005	0.42265216274289025
2006	0.4445994200658252
2007	0.4820499330509184
2008	0.5158464242494849
2009	0.4626278705190236
2010	0.4172808433995514
2011	0.4286550324699834
2012	0.5311119839453338
2013	0.5135536819561015
2014	0.571820015529108
2015	0.7074573905840031
2016	0.7797915826154622
2017	0.7633714742235115
2018	0.8062730637151232
2019	0.7133708948774413
2020	1.105639631546761