Year % of GDP 2009 25.145552066473996 2010 28.909052227726427 2011 36.02183019561928 2012 40.574840322999364 2013 42.93415609417886 2014 49.37083182087191 2015 46.156827914479784 2016 49.32055067703657 2017 51.876006636045545 2018 55.77603060166941 2019 60.402353157933945 2020 72.88268826809323 2021 62.775460412417 2022 53.1734445812423 2023 55.85509530484442