Year % of total merchandise exports 2010 4.1703454978506065E-06 2011 0.0620699776673936 2012 0.004294706074572617 2013 0.00013457690357292375 2014 0.008267898335699318 2015 0.0021252335248095086 2016 0.016394621642783356 2017 0.02563962656037454 2018 0.04923020393070782 2019 0.08455915131834901