Year	% of total expenditure in secondary public institutions
1998	97.325798034668
2001	96.2968063354492
2002	94.2427825927734
2003	95.3134307861328
2004	96.1624908447266
2005	95.0449600219727
2006	86.8727035522461
2007	80.6465301513672
2008	85.3940505981445
2009	91.2863311767578
2010	90.1531372070312
2011	91.2551879882812
2012	94.2906875610352
2013	95.9161834716797
2014	95.6704635620117
2015	96.1073608398438
2016	95.8436737060547
2017	96.7795486450195
2018	95.7849578857422
2019	94.6784286499023
2020	94.8551330566406