Year	% of total expenditure in primary public institutions
1998	87.0780868530273
1999	88.9709091186523
2000	90.155891418457
2001	89.4453735351562
2002	88.6828002929688
2003	88.0808486938477
2004	89.3482818603516
2005	88.5654220581055
2006	89.7076873779297
2007	90.5149917602539
2008	90.3184280395508
2009	90.1453018188477
2010	90.7266464233398
2011	90.5354995727539
2012	90.2781295776367
2013	89.0503387451172
2014	87.8038024902344
2015	87.5526504516602
2016	87.7998962402344
2017	87.9415893554688
2018	87.8935470581055
2019	88.2616119384766
2020	88.0343170166016