Year	% of total expenditure in public institutions
1998	92.04676818847655
2000	92.0035934448242
2001	91.4455757141113
2002	90.8028678894043
2003	91.9834289550781
2004	91.5360221862793
2005	92.32227325439456
2006	91.48663330078125
2007	93.3373794555664
2008	92.3176918029785
2009	91.5774536132812
2010	91.36572265625
2011	92.3024215698242
2012	91.3387298583984
2013	93.656852722168
2014	92.9386215209961
2015	92.3382720947266
2016	92.6043090820312
2017	93.0940284729004
2018	92.4847030639648
2019	92.79451370239255
2020	91.8893280029297
