Year % of GDP 2012 1.3428873361015916 2013 1.6912164786212927 2014 1.5036827118335787 2015 1.7488876696902649 2016 1.9563942589780197 2017 1.9757890828549516 2018 1.7940495512185823 2019 1.960368519497981 2020 4.6372654941899105 2021 2.7945360678349758 2022 2.5430135118275827