Year	% of GDP
2011	32.55827581956621
2012	30.91225561451658
2013	28.33476359102715
2014	31.45033178009522
2015	29.522159536933508
2016	30.95320402451377
2017	30.590012549498013
2018	33.16307923760894
2019	29.03045037865421
2020	27.129107081382042
2021	25.078565342770244
2022	21.554137409123403
2023	19.176406045704276