Year	% of total expenditure in tertiary public institutions
2002	94.2599029541016
2011	92.3532791137695
2012	91.21485137939456
2015	92.7563629150391
2016	95.090690612793
2017	95.4454574584961
2018	93.9597320556641
2019	92.8665542602539
2020	93.46044921875
2021	93.412956237793