Year	% of total expenditure in primary public institutions
2007	89.2130126953125
2008	89.0550994873047
2009	89.2355575561523
2010	89.1513824462891
2011	86.8650588989258
2012	87.3587036132812
2013	86.6986770629883
2014	86.9259490966797
2015	87.5807266235352