Year	% of total expenditure in primary public institutions
1998	91.1720504760742
2012	93.7466278076172
2013	94.1951904296875
2014	93.983528137207
2015	94.1296234130859
2016	93.7104873657227
2017	93.6167068481445
2018	92.7569274902344
2019	91.6491622924805
2020	90.2699127197266