Year	% of total expenditure in secondary public institutions
1995	92.9503021240234
2000	94.2830581665039
2005	94.1902694702148
2006	91.8915786743164
2007	92.1313400268555
2008	91.6634902954102
2009	89.3913269042969
2010	87.9050521850586
2011	91.2018737792969
2012	93.4061965942383
2013	93.5452117919922
2014	94.5340423583984
2015	95.2019195556641
2016	94.8131713867188
2017	93.0339126586914
2018	91.0842514038086
2019	89.8816680908203
2020	89.6355972290039