Year	% of total expenditure in secondary public institutions
1998	100
1999	88.6398773193359
2001	87.939208984375
2002	95.3547821044922
2003	88.9846878051758
2004	95.7008285522461
2005	96.4700317382812
2006	87.6492919921875
2007	89.6832580566406
2008	87.9393920898438
2010	91.7334594726562
2016	91.9032669067383
2017	92.8604965209961
2018	92.5295333862305
2019	87.5682525634766
2021	90.1417236328125
2022	88.7083587646484