Year	% of total merchandise exports
1993	10.54482778878508
1994	8.165399222044885
1995	7.889436169309111
1996	22.417003260015665
1997	22.230943050988863
1998	18.34676148452816
1999	21.912582740054003
2000	25.459236539190687
2001	23.12216120112903
2002	22.095248151278952
2003	20.150549759409405
2004	20.766404778479053
2005	13.242720103759678
2006	0.0040520076396983
2007	8.898764055574653E-05
2008	0.004570624853445635
2009	0.005176223979755882
2010	0.00040294238034976426
2011	0
2012	7.900632401127583E-05
2013	0
2014	0.00034431855395827604
2015	0
2016	0.0038942397780120435
2017	0.003168527565208008
2018	0
2019	0.0003112229213829682
2020	0.049843182433873