Year	% of merchandise exports
1962	3.056159608026542
1963	2.871070926420923
1964	7.864381155278941
1965	7.072201443431678
1966	7.374016011559159
1967	7.53055081255712
1968	7.010367785443247
1969	8.340328005267697
1970	4.829660383928888
1971	9.531215730734367
1972	3.2099865511781034
1973	3.9295575485374887
1974	3.832026614527274
1975	0.22205090045353698
1976	2.4764099414376015
1977	2.347230798241495
1978	1.803340354866765
1979	2.364454775919278
1981	0.8003480482113323
1995	0.5385972762810175
1996	0.3541967289801002
1997	0.6837976176702649
1998	0.5818664701218186
1999	0.760547743725164
2000	3.2835781803012964
2001	3.4570998007151426
2002	3.6415558766554104
2003	3.337916553253528
2004	3.6980328968652803
2005	4.311611665120636
2006	4.548413793631726
2007	3.9848548920148095
2008	2.976044133728835
2009	1.829921908754462
2010	2.3590971417700035
2011	2.317893620118497
2012	2.9363339401536823
2013	1.5630334498003777
2014	1.4476726167492082
2015	1.4636328828429892
2016	0.062226385076328175
2017	0.18327386874440688
2018	0.04641249559385973
2019	0.8935623238693793
2020	0.26503627435656424
2021	0.5691647716403746
2022	0.8326100885514658