Year % of GDP 2010 84.31180421793842 2011 83.03515565022164 2012 82.19034228665559 2013 67.43273001859653 2014 83.61006566670805 2015 85.83478068958696 2016 87.1486963210074 2017 87.46624238369428 2018 84.10244912968075 2019 83.51648427803777 2020 101.16498312692465