Year	% of total expenditure in primary public institutions
1999	95.5692825317383
2000	95.9930191040039
2001	95.9037933349609
2002	95.2283020019531
2003	94.2189178466797
2004	93.9185333251953
2005	92.2326889038086
2006	91.4854583740234
2007	91.568977355957
2008	91.2957611083984
2009	91.9426422119141
2010	92.7871398925781
2012	95.9089584350586
2013	96.8402633666992
2014	97.4852905273438
2015	97.5067520141602
2016	97.8491592407227
2017	97.7392272949219
2018	97.3812789916992
2019	96.8992767333984
2020	97.0097732543945