Year	% of total expenditure in secondary public institutions
1998	95.8737716674805
2000	94.9651107788086
2001	95.1124877929688
2002	94.1218109130859
2003	93.8211669921875
2004	93.7815093994141
2005	94.1420211791992
2006	96.0367584228516
2007	96.5889511108398
2008	95.8322525024414
2009	96.622428894043
2010	96.8733062744141
2011	97.2463302612305
2012	97.9125289916992
2013	97.6929626464844
2014	97.0518569946289
2015	96.7676391601562
2018	98.6566925048828
2019	96.9186019897461
2020	95.8097305297852