Year	% of total expenditure in primary public institutions
1998	95.6920013427734
2000	90.8833084106445
2001	90.8833084106445
2002	97.0436782836914
2003	97.6513519287109
2004	96.5584411621094
2005	97.2131271362305
2007	94.0632934570312
2008	89.9912261962891
2009	93.6921310424805