Year	% of total expenditure in primary public institutions
2000	71.1499404907227
2002	93.8258590698242
2004	84.2728576660156
2005	82.5591583251953
2007	100
2009	100
2010	100
2011	100
2016	99.6773910522461
2017	98.5781784057617
2018	100