Year % of total exports 2005 0.11653313911143481 2006 0.09880163182049975 2007 0.010702872956898 2008 0.009093270979475187 2009 0.4780019518413034 2010 0.12067896013082953 2011 0.11164102513881681 2012 0.07640297157348426 2013 0.07053453164872478 2014 0.3592909879339544 2015 0.0009561945847061738 2016 0.035793511368544015 2017 0.05147431726547836 2018 0.3762053061653478