Year	% of total merchandise exports
2003	0.036645601320731414
2004	0.041103341297928676
2005	0.0476133903590498
2006	5.236207288956042
2007	5.143569253451688
2008	4.136734604697567
2009	5.189457628822127
2010	4.589574167180844
2011	4.338546911326637
2012	89.87954545579865
2013	71.61943196209468
2014	0.04910954973674568
2015	0.1336492527157319
2016	0.1231687285960919
2017	0.15503238590616975
2018	1.1298576081683713
2019	0.3646849027921168
2020	0.22693785947888995