Year	% of merchandise exports
1962	0
1963	0
1964	0
1965	0
1966	0
1967	0
1968	0
1969	0
1970	0
1971	0.25516900890411953
1972	0.4357241872777698
1974	7.506277067464041
1975	0.04649789238181679
1976	0.49399253843430396
1977	0.3819909919741278
1978	5.8836188776684155
1979	9.687010590460103
1980	15.39680642708309
1981	12.87614079687906
1982	13.138410570532855
1983	9.309902085639226
1984	8.791493350649086
1985	8.998471794504233
1986	5.822039390692838
1987	4.902181348145971
1990	1.4715667844032383
1991	1.3965440995680196
1992	0.5345077540254201
1993	0.6308612258353451
1994	0.7015246638012049
1999	0.43236260512583236
2000	0.5011622200251278
2001	0.42870794782657967
2002	0.30458621157366467
2003	0.018624765164995154
2004	0.15036971153524392
2005	0.008210777279544954
2006	0.11625628378637977
2007	0.028339574413327434
2008	0.021409052224566516
2009	0.02946286199214357
2010	0.15783503417986022
2011	0.44028801779588833
2012	0.35949196284093243
2013	0.3164534748179734
2014	2.638481708141298
2015	1.8083452690071378
2016	1.6002458959518442
2017	2.5584319412635956
2019	2.8597175276083813
2020	2.7375786356900105
2021	1.9271918876287355
2022	2.254465900510314
2023	3.225493124621795