Year % of total merchandise exports 2012 0.002997331038436767 2013 99.7585414591468 2014 99.96814898085998 2015 99.88484313678497 2016 99.33935136997304 2017 94.89220045926626 2018 94.04439284833333 2019 88.36255142919714 2020 83.59055039837348