Year	% of total expenditure in secondary public institutions
2007	97.8745422363281
2008	90.1422271728516
2009	90.1354827880859
2010	90.1091766357422
2011	98.2938003540039
2012	98.1591720581055
2016	72.821533203125
2019	56.4992485046387
2020	57.1671295166016