Year % of total goods exports 2009 0.0335028557 2010 0.4015374498 2011 0.1535366095 2012 0.0034945781 2013 0.0661304359 2014 0.0127778097 2015 0.001414004 2016 0.042736437 2017 0.631597402 2018 0.2368620826 2019 0.1105927948 2020 0.0287337012 2021 0.2131718047