Year	% of total expenditure in secondary public institutions
1998	95.5490493774414
2001	98.4799270629883
2002	98.9783401489258
2003	99.3115386962891
2004	99.0555572509766
2005	99.2575531005859
2006	97.378303527832
2007	96.2902984619141
2008	96.0319519042969
2009	95.3820419311523
2010	95.2225799560547
2011	90.204948425293
2012	94.340950012207
2013	90.8915710449219
2014	88.7957305908203
2015	86.4162673950195
2016	86.3291320800781
2017	86.1723785400391
2018	97.2601318359375
2019	98.0829467773438
2020	98.1337432861328
2021	96.2948989868164