Year % of total merchandise exports 2000 1.4657415414276709E-05 2002 0.013330244857185777 2003 0.008117623434326237 2004 0.02954079612492193 2005 0.08425611187172805 2006 0.024603196608067878 2007 0.01187853453000745 2008 0.003531375178944981 2009 0.007519626220240902 2010 0.06662287923210293 2011 0.2160792021783701 2012 0.2910185828305523 2013 0.9838248656795852 2014 4.233705316200922 2015 5.33672082472767 2016 9.673494429985567 2017 15.478229961420267 2018 12.127158418337396 2019 18.445166401995756 2020 21.273559598187774