Year	% of total merchandise exports
2003	0.06586984061713493
2004	0.9785026200956244
2005	2.8131846901632938
2006	18.36753818761128
2007	59.49398967239482
2008	26.97346612547974
2009	12.913352695308584
2010	1.5669790071349423
2011	0.0024350990753264695
2012	0.1852793046906439
2013	0.03910938794371404
2014	16.912327485015815
2015	0.3990795466480793
2016	0.219750815285559
2017	3.6598512574630737
2018	0.013079581129866694
2019	0.42695692645501526
2020	0.346824225301674