Year	% of total expenditure in secondary public institutions
2002	89.8351898193359
2003	88.3463592529297
2004	88.6681823730469
2005	88.3947372436523
2007	85.3795318603516
2008	87.3229598999023
2009	85.3984985351562
2010	86.8871612548828
2011	87.7527084350586
2013	86.5336303710938
2014	86.9141693115234
2015	86.5204467773438
2016	86.3848190307617
2017	85.220832824707
2018	86.2267303466797
2019	87.2167816162109
2020	86.8204803466797