Year	% of merchandise exports
1963	0
1966	0
1969	0
1972	0
1973	0
1974	0
1975	0.3353723677408654
1976	0
1977	0.131820605285425
1978	0
1980	0
1981	0
1982	0
1983	0.008924583108314883
2001	0.17521056106213692
2002	0.7307617308497194
2003	0.4865579054478707
2004	0.28703178042822014
2005	0.4881653453126765
2006	0.7722581062679418
2007	0.3330920715573296
2008	0.15989845885989049
2009	0.0711542909915566
2010	0.003577296737503695
2011	0.003932703301639556
2012	0.012789754023565298
2013	0.5172168838040583
2014	0.01820515175349249
2015	25.28751406472816
2016	21.48668553659581
2017	29.062763066391838
2018	25.717519276298145
2019	24.722988381222606
2021	10.884184101550167