Year % of GDP 2013 156.53830090539577 2014 158.37431125677895 2015 145.4213074801046 2016 103.76402511209291 2017 150.09836147049361 2018 156.61987502770583 2019 166.71774637210942 2020 115.62652340572362 2021 143.02208439650587 2022 169.0004564777948 2023 169.10578868553355