Year	% of total merchandise exports
2000	2.08865000452362
2001	3.2936818732778588
2002	1.140844045868793
2003	0.5819471784611671
2004	0.8833954008937512
2005	6.6599420114654375
2006	2.7211392157485967
2007	12.347689641481537
2008	8.919407435423258
2009	0.5324088189321345
2010	0.38675337962493245
2011	15.57203288026344
2012	1.0644230462993973
2013	0.19370186819198149
2014	0.7445675588096161
2015	0.5283023346914866
2016	4.187620474310095
2017	10.038457135454571
2018	0.2899447915190022
2019	3.5917310665437627
2020	0.47074647814867293