Year	% of GDP
2012	69.39235563757714
2013	68.20010821083837
2014	66.87223460308279
2015	63.1580439656677
2016	58.88558514854878
2017	55.83867500558712
2018	54.09857604766292
2019	52.57747442675688
2020	58.87243242214186
2021	52.40421097741628
2022	49.96832528847684
2023	48.0752905603334