Year % of GDP 2009 89.45973659753868 2010 89.22181939173498 2011 87.4246534951586 2012 89.37872677399938 2013 91.18940367587041 2014 89.32062891527798 2015 84.39584666748388 2016 80.18876687958164 2017 81.43338094243741 2018 81.05163209022932 2019 80.81617302252535 2020 86.86135434865935 2021 97.92957525614517 2022 104.78829948163899 2023 104.41449876617249