Year	% of total expenditure in secondary public institutions
1998	96.0371627807617
1999	95.2960815429688
2000	94.8282165527344
2001	94.1219787597656
2002	93.5335998535156
2003	93.8538818359375
2004	94.0468673706055
2005	94.3466186523438
2006	93.5928573608398
2007	94.2955017089844
2008	95.8068084716797
2009	94.2964782714844
2010	90.7867813110352
2011	93.5610733032227
2012	92.1540679931641
2013	91.0220031738281
2014	91.0219802856445
2016	93.793083190918
2017	93.7734909057617
2018	93.3426513671875
2019	92.3438720703125
2020	92.1082611083984