Year	% of GDP
2004	22.886017380118734
2005	22.404430090465205
2006	22.573722712755444
2007	22.50489232295937
2008	22.580421697213502
2009	22.660648631237777
2010	22.2866748973477
2011	22.547712064363555
2012	22.62218597979009
2013	22.478421175114217
2014	22.791941081945037
2015	22.9398815449966
2016	22.504507768585146
2017	22.49155907725416
2018	22.855670641748162
2019	22.238415060837173
2020	22.53882406716927
2021	23.77055468467076
2022	23.193617038155022
2023	22.27656091243729