Year	% of total expenditure in primary public institutions
1998	100
1999	100
2000	100
2001	100
2002	92.2872161865234
2003	92.8220062255859
2004	92.7272033691406
2005	92.5337371826172
2006	92.8243179321289
2007	92.9633483886719
2008	93.5370025634766
2009	93.0616073608398
2010	93.5150909423828
2011	93.5480804443359
2012	93.4143676757812
2013	94.0690231323242
2014	94.2944564819336
2015	94.4515609741211
2016	94.992073059082
2017	95.9206085205078
2018	95.6768798828125
2019	95.300537109375
2020	95.1853866577148