Year	% of total expenditure in primary public institutions
1999	80.8257064819336
2000	99.7467422485352
2001	99.0921936035156
2002	85.1570816040039
2003	86.6634902954102
2004	87.2937164306641
2005	97.6750335693359
2007	96.1430206298828
2016	91.9885406494141
2019	94.7311935424805
2020	97.1811294555664
2021	95.952751159668
2022	99.706916809082