Year % of GDP 2010 83.6080309044252 2011 70.60685049896665 2012 78.15012992516512 2013 62.92059609920963 2014 67.3608120894055 2015 73.05564087025549 2016 69.58068582676779 2017 56.58072122698097 2018 56.570265225466 2019 49.17891786777321 2020 52.18607346333973 2021 41.23039981023551 2022 52.556513087812384