Year % of GDP 2015 27.05092351085508 2016 27.543142513492892 2017 29.796248104685375 2018 25.286428700390225 2019 24.502063005589665 2020 34.232720794547866 2021 21.793201373031007 2022 18.86257576451403 2023 20.736479178987047