Year	% of total expenditure in primary public institutions
1999	93.1401901245117
2000	93.0396423339844
2001	90.868293762207
2002	88.8888931274414
2003	88.0628509521484
2004	87.2395477294922
2005	90.7941665649414
2006	91.145866394043
2007	91.8130416870117
2008	91.2132110595703
2009	93.0507125854492
2010	92.5304718017578
2011	91.6702194213867
2012	93.0921936035156
2013	93.9046325683594
2014	91.9972534179688
2015	87.6869125366211
2016	87.5858993530273
2017	88.3370132446289
2018	87.5112609863281
2019	85.0665283203125
2020	83.8425827026367