Year	% of total expenditure in primary public institutions
2001	100
2002	100
2004	97.2507171630859
2006	98.0809173583984
2007	94.2586212158203
2008	96.3371276855469
2009	94.3832397460938
2010	92.6426467895508
2011	97.9678497314453
2012	92.8872528076172
2013	95.0836181640625
2014	95.5858306884766
2015	93.7995986938477
2016	100
2017	90.3901290893555
2018	98.2315292358398
2019	95.2595291137695
2020	98.692253112793
2021	97.9400024414062