Year % of total merchandise exports 2006 1.5469248466832433 2007 0.011546409229158904 2008 0.020166231356915358 2009 0.015563434509752764 2010 0.02321118524852479 2011 0.0024506633493276337 2012 0.008895601088581041 2013 0.008732375736506986 2014 0.012845707853847572 2015 0.0017682211837037034 2016 1.2850195887470552 2017 0.0005370514444022084 2018 0.00045371048470025825 2019 1.0455794410101962 2020 0.0033755137250409102