Year	% of total expenditure in primary public institutions
1998	99.2902984619141
1999	99.2692184448242
2000	99.7996368408203
2011	99.3395919799805
2012	99.9968795776367
2013	100
2014	100
2015	100
2016	85.2835235595703
2017	89.3621826171875