Year % of GDP 2011 11.026063683334383 2012 18.683680086741905 2013 11.908157463759448 2014 19.132971957417297 2015 39.46580520121958 2016 65.45944293586734 2017 23.996197925638516 2018 23.545942511624823 2019 18.73456280625828 2020 26.42262630656413 2021 34.20165437862626 2022 28.7482014705775 2023 32.53000114566166