Year	% of total expenditure in secondary public institutions
1998	87.8586883544922
2002	96.2296905517578
2004	99.1649322509766
2007	91.2870712280273
2008	92.763671875
2009	91.6530532836914
2010	92.4406967163086
2011	96.3206634521484
2012	75.0064163208008
2013	91.6557998657227
2014	94.3749465942383
2015	92.6674118041992
2016	86.0972595214844
2017	96.3548583984375
2019	90.8070373535156