Year	% of total expenditure in primary public institutions
1998	95.5241165161133
1999	94.0857696533203
2000	94.466438293457
2001	92.3222732543945
2002	93.2804718017578
2003	94.4434967041016
2004	92.2093276977539
2005	90.6192398071289
2006	89.1406784057617
2007	90.8951721191406
2008	89.1066284179688
2009	88.2262420654297
2010	88.2196578979492
2011	93.6785888671875
2013	97.212158203125
2014	97.215087890625
2015	97.2886810302734
2016	97.7026977539062
2017	97.4818420410156
2018	97.6405029296875
2019	97.8637237548828
2020	97.8030319213867