Year % of GDP 2014 5.150763425456832 2015 2.9295959435935006 2016 1.1667092140930513 2017 1.1966240866452509 2018 0.8769276918840238 2019 1.3196084739314928 2020 1.0897289979843316 2021 2.5414357357429087 2022 3.7368897175650013