Year % of GDP 2008 57.27350426343353 2009 63.85252203898802 2010 67.72931026307047 2011 65.39698477484036 2012 65.91235815444242 2013 71.4375428399987 2014 74.48355443411845 2015 70.17984261917982 2016 71.29207805873337 2017 68.31456065322506 2018 66.53930707671987 2019 62.766358267885295 2020 73.14619726111309 2021 68.80367543410856 2022 58.89347974473879 2023 57.41638288080399