Year	% of total merchandise exports
2000	17.023426847684096
2001	5.61271681777643
2002	1.1097325336984507
2003	9.873101832465094
2004	18.273560662957156
2005	29.152481111440387
2006	27.75443296061706
2007	34.26966171290473
2008	14.596929233902856
2009	24.000822753041682
2010	2.329276036836148
2011	0.699449659008719
2012	0.3978635131339933
2013	0.6459706222903453
2014	0.32926410822632535
2015	0.19163255696778425
2016	0.3162027048912087
2017	0.3548042172202443
2018	0.1838418656127956
2019	0.3456943628663176
2020	0.2768748169917057