Year	% of total expenditure in secondary public institutions
2004	90.1484069824219
2005	92.7414703369141
2006	89.8061828613281
2007	93.8333587646484
2008	93.0342178344727
2009	93.0108337402344
2010	94.1037063598633
2011	94.7048797607422
2012	95.2823181152344
2013	95.1519088745117
2014	94.7422866821289
2015	95.2630233764648
2016	96.319450378418
2017	96.2496032714844
2018	95.427848815918
2019	95.3882827758789
2020	96.2290115356445