Year	% of GDP
2013	33.53097747025758
2014	33.32687966724957
2015	34.07585382472432
2016	35.05495721045508
2017	31.51926796802873
2018	33.725044606887074
2019	33.14689680346225
2020	34.03967577176577
2021	31.850092135091955
2022	30.31834663179135