Year % of GDP 2013 8.00318225786095 2014 7.505010351752589 2015 5.437099638890622 2016 9.38789608928797 2017 5.805095235912071 2018 3.975780216510902 2019 6.688345849269566 2020 9.899134063914671 2021 6.613838001252989 2022 2.533296095379449