Year	% of total expenditure in primary public institutions
1998	78.5426406860352
2002	92.9644393920898
2004	98.9291381835938
2007	88.9319076538086
2008	89.5697326660156
2009	97.4516067504883
2010	93.0469665527344
2011	91.5802688598633
2012	97.7716979980469
2013	91.4694519042969
2014	93.0262069702148
2015	87.6343536376953
2016	94.0691986083984
2017	92.1300888061523
2019	96.9549789428711