Year	% of total expenditure in primary public institutions
1998	86.6666564941406
1999	65.1060409545898
2000	65.3475494384766
2001	61.3673782348633
2002	87.7758026123047
2005	85.8747100830078
2015	94.9129486083984
2018	100
2021	100
2022	86.7145767211914