Year	% of total expenditure in primary public institutions
2003	92.8220062255859
2004	92.4804534912109
2007	91.3789901733398
2009	92.8378219604492
2010	91.4825668334961
2011	93.6785888671875
2012	94.6569595336914
2013	93.9177474975586
2014	93.983528137207
2015	94.26250076293951
2016	93.0493469238281
2017	93.64321517944336
2018	92.4885482788086
2019	92.4228286743164
2020	92.59477615356451