Year	% of total expenditure in primary public institutions
2002	95.2763671875
2003	95.0490188598633
2004	94.1579132080078
2007	95.5990829467773
2010	96.2207794189453
2011	96.790153503418
2012	92.7715606689453
2016	93.4243927001953
2020	94.5141067504883
2021	93.6411437988281
2022	93.4962768554688