Year	% of total expenditure in primary public institutions
1999	92.9208526611328
2000	95.5722274780273
2002	93.9525909423828
2003	93.9529037475586
2004	86.2936019897461
2005	95.7592926025391
2006	95.41552734375
2011	95.5005569458008
2013	95.5146636962891
2014	96.2319488525391
2015	95.8507614135742
2016	95.5117721557617
2017	96.9618301391602
2018	96.2382125854492
2019	96.3866882324219
2020	96.9167098999023
2021	97.1222915649414