Year	% of total merchandise exports
1960	0.8668127587046506
1961	0.9685576601937116
1962	1.2722057735011103
1963	1.306122448979592
1964	1.0610179731158436
1965	0.7634758975408039
1966	0.8847403665258975
1967	0.8111173775561287
1968	0.7840391614542046
1969	0.8008008008008007
1970	0.7635566003683582
1971	0.7045348484230652
1972	0.6444165621079047
1973	0.4955991079216057
1974	0.49291210646901495
1975	0.5933423092994103
1976	0.4300421354415534
1977	0.370422256650295
1978	0.28536860110976675
1979	0.23173042594677723
1980	0.3215745564996175
1981	0.4504566131956082
1982	0.46662367433781615
1983	0.425488426814495
1984	0.5974366737309517
1985	0.6615171042387746
1986	0.5797374738991657
1987	0.622693818147303
1988	0.6186914189195541
1989	0.6024145500156789
1990	0.5977445810619159
1991	0.6128020721652419
1992	1.1978578536050892
1993	1.5995437546585785
1994	1.2341494747240862
1995	1.1440068196514361
1996	1.2677182805438585
1997	1.2300079539225053
1998	1.2231345937383362
1999	0.9622853734765697
2000	0.9502724222201213
2001	0.9772976610955013
2002	1.0257841631145828
2003	0.9410576519220991
2004	1.0331077489816862
2005	1.1585765026959842
2006	1.2734934763112469
2007	1.5288339970241422
2008	1.9338522597914038
2009	1.4920097264667758
2010	1.5747363971537938
2011	1.8994126218903458
2012	1.8311048886013714
2013	1.8332453266220232
2014	1.7178970628455765
2015	1.3129020751443934
2016	1.3359030807594414
2017	1.3639948504473962
2018	1.3318493847041293
2019	1.3200322923978747
2020	1.326633740342838