Year	% of GDP
2013	80.55964312215544
2014	80.32291981893947
2015	80.28649824130373
2016	80.6844688233518
2017	79.21062570721142
2018	77.51904726785426
2019	76.98453842204484
2020	77.1737034149952
2021	75.38745824117548
2022	76.84425727411946
2023	76.93751948947843