Year	% of total expenditure in primary public institutions
2006	65.9272994995117
2007	78.3639526367188
2008	88.9026184082031
2009	77.939567565918
2010	90.9273910522461
2011	91.3328399658203
2012	86.6086196899414
2013	79.7065887451172
2014	77.5870513916016
2015	94.4201431274414
2016	96.1393737792969
2017	99.0600662231445
2018	100