Year	% of total expenditure in secondary public institutions
1999	93.1275024414062
2000	94.3813438415527
2001	93.2379684448242
2002	93.6042861938477
2003	90.96871185302734
2004	91.9637680053711
2005	93.2144317626953
2006	91.2606430053711
2007	90.7897109985352
2008	91.514289855957
2009	92.1728286743164
2010	92.51355743408206
2011	93.7843933105469
2012	93.75505828857425
2013	96.6265335083008
2014	95.2777328491211
2015	94.33847808837896
2016	93.95519256591794
2017	94.61267471313475
2018	93.72114181518555
2019	93.6948394775391
2020	92.11246490478516