Year	% of total expenditure in primary public institutions
2002	92.34548568725586
2004	94.74373626708984
2005	97.45761489868164
2006	96.3420867919922
2007	95.883430480957
2008	94.424919128418
2009	97.3613662719727
2010	96.31742095947266
2011	96.442626953125
2012	95.48640060424805
2013	95.29914093017581
2014	95.5062484741211
2015	95.3442687988281
2016	95.9206008911133
2017	94.63835144042969
2018	95.82419967651364
2019	96.09880447387695
2020	96.2612915039062
2021	96.6172981262207