Year % of GDP 2014 158.29848860963665 2015 160.10969160932274 2016 164.9287473011568 2017 163.15417435127475 2018 163.59318981915453 2019 167.98470697763676 2020 184.8843771549306 2021 179.09604455245648 2022 167.31297476949408 2023 158.66408884754043