Year	% of total merchandise exports
2000	21.767784016140126
2001	20.904769348378057
2002	15.535981118298173
2003	10.395582345791809
2004	10.518136495448509
2005	4.068154047901801
2006	7.059752442234814
2007	1.3681179418540672
2008	17.474703567655403
2009	66.0237640866437
2010	9.736118230444848
2011	13.39104236827593
2012	26.690527450289125
2013	5.4190024265928844
2014	9.024584299012917
2015	23.262094966817962
2016	0.24451835057896892
2017	0.05505326447674015
2018	0.4323640917639366
2019	0.13804334163440027
2020	0.040585566766854236
