Year	% of GDP
2009	68.92507581297258
2010	67.45240441012726
2011	70.30973174576964
2012	70.17541404881052
2013	72.1806633606422
2014	73.18125193523638
2015	68.13827112529249
2016	66.39007178476672
2017	63.610666523414274
2018	58.495745625222064
2019	61.421259139053966
2020	69.07709055435932
2021	63.97435296407548
2022	60.05081832310826
2023	56.40599504307171