Year % of GDP 2014 17.54865308689424 2015 16.80166805500902 2016 16.949173180341745 2017 17.046285060748307 2018 17.998857013595003 2019 15.963833868081354 2020 14.03632819323965 2021 16.49126028167949 2022 19.541979453038497