Year	% of total expenditure in primary public institutions
1998	97.5173110961914
2001	94.3203125
2002	94.4737396240234
2003	96.0460891723633
2004	96.4693222045898
2005	94.532829284668
2006	91.7667617797852
2007	78.6155319213867
2008	88.3019485473633
2009	93.9051895141602
2010	95.6777725219727
2011	95.3857727050781
2012	96.1571502685547
2013	96.7174606323242
2014	97.5173187255859
2015	96.5596923828125
2016	96.8335876464844
2017	97.2939224243164
2018	95.85302734375
2019	95.7417221069336
2020	96.099006652832