Year	% of total expenditure in secondary public institutions
1999	90.1921081542969
2001	94.9451065063477
2002	94.1935119628906
2004	79.0875625610352
2008	92.6299362182617
2009	88.3514404296875
2010	92.8127975463867
2011	95.2341995239258
2012	99.9951400756836
2013	87.8745498657227