Year	% of total expenditure in primary public institutions
1999	97.056282043457
2000	96.7712020874023
2001	96.1720886230469
2002	96.911003112793
2003	94.6122589111328
2004	95.7311782836914
2005	91.7379608154297
2006	95.7158584594727
2007	96.7819213867188
2008	96.7161026000977
2009	95.3482284545898
2010	88.0824127197266
2011	91.8828201293945
2012	95.8821716308594
2013	97.1057281494141
2014	97.0132675170898
2015	95.3951873779297
2016	95.6378479003906
2017	95.6529235839844
2018	95.1944274902344
2019	95.4221496582031
2020	96.2584915161133