Year Percent of GDP 2011 25.646 2012 16.808 2013 21.865 2014 27.149 2015 20.981 2016 34.927 2017 42.983 2018 43.877 2019 42.741 2020 48.013 2021 45.62 2022 53.605 2023 57.287 2024 54.772