Year	% of total expenditure in primary public institutions
1998	93.264762878418
1999	94.2627716064453
2000	94.3539886474609
2001	94.256721496582
2002	93.8696212768555
2003	95.6065063476562
2004	95.9999465942383
2005	95.2471313476562
2006	95.0236282348633
2007	96.4936294555664
2008	96.3923492431641
2009	94.3818435668945
2010	90.513069152832
2011	94.0526428222656
2012	97.0299301147461
2013	98.4154510498047
2014	93.2803268432617
2015	97.2870788574219
2016	97.7988586425781
2017	96.7924194335938
2018	93.438346862793
2019	93.6029434204102
2020	94.4837188720703