Year	% of total expenditure in primary public institutions
2001	94.256721496582
2002	93.42184066772465
2003	94.5115737915039
2004	94.30205535888669
2005	92.2383804321289
2006	90.46121215820315
2007	89.70708847045896
2008	90.1875343322754
2009	93.3715057373047
2010	91.4825668334961
2011	94.0526428222656
2012	94.7933120727539
2013	93.9177474975586
2014	93.2803268432617
2015	94.3704528808594
2016	92.8103408813477
2017	94.16728591918945
2018	92.0637855529785
2019	93.5251922607422
2020	93.8989791870117