Year	% of total expenditure in primary public institutions
2002	58.2942886352539
2009	93.1436080932617
2010	92.0941314697266
2011	92.9817504882812
2012	88.8926773071289
2013	87.2740020751953
2014	94.7403030395508
2015	95.3380813598633
2016	73.5620498657227
2017	85.7071762084961
2018	80.8515396118164
2019	90.694938659668
2020	97.7316513061523