Year	% of total merchandise exports
2003	0.016902020924981814
2004	0.0005295092450684097
2005	0.001404628017778532
2007	0.004227658347105681
2008	0.022937512937182596
2009	0.7355225938999479
2010	0.016200597992301755
2011	1.6557279494710697
2012	0.8572074646637754
2013	68.05802095887817
2014	2.4556273982754866
2015	1.636268145338373
2016	11.07862039881728
2017	0.4225920748276478
2018	1.8387350395436919
2019	7.508389698204184
2020	1.6537907835094248