Year	% of total expenditure in primary public institutions
2002	89.1801681518555
2003	87.1627197265625
2004	88.0131683349609
2005	88.4812164306641
2006	88.1519317626953
2007	88.0965881347656
2008	87.1015167236328
2009	85.8697128295898
2010	87.6998825073242
2011	89.3408126831055
2012	90.2583770751953
2013	87.7477874755859
2014	87.6534423828125
2015	85.5469512939453
2016	86.6785125732422
2017	85.7278137207031
2018	84.7411117553711
2019	85.2064666748047
2020	83.7955703735352