Year	% of total expenditure in secondary public institutions
2002	92.094970703125
2013	94.5277481079102
2014	91.9198989868164
2015	94.9384231567383
2016	95.9418106079102
2017	99.0008392333984
2018	97.6356964111328
2019	95.6290283203125
2020	93.6692581176758
2022	90.8827590942383