Year	% of total expenditure in secondary public institutions
1999	96.6457290649414
2000	95.9618301391602
2001	94.3021087646484
2002	94.5208969116211
2003	93.1944274902344
2004	95.6786193847656
2005	96.0657577514648
2006	95.1225662231445
2007	96.5730133056641
2008	96.5691223144531
2009	95.1349411010742
2010	92.0876998901367
2011	94.2490997314453
2012	96.8368835449219
2013	96.7875289916992
2014	97.5328979492188
2015	95.3964462280273
2016	95.9998474121094
2017	95.7781066894531
2018	95.6159210205078
2019	95.3479080200195
2020	95.3446807861328