Year	% of GDP
2011	31.546082211955323
2012	31.630605984480965
2013	28.987713521785462
2014	29.09946424029231
2015	30.292810547592232
2016	27.086972298269814
2017	23.47426267987643
2018	22.826699077005312
2019	20.87532439828137
2020	16.878912700715045
2021	16.713337682537578
2022	18.35153885446113
2023	13.992408889940599