I20 General, I32 Measurement and Analysis of Poverty, I21 Analysis of Education
I14, I18, I28, I24, I31, J13, I32, J13, J24, J32, O15
D83, I32, O15,O17, P36
I38, I32, O12, D74
D81 I32 O12
D63; I32
I31, I32, I38, D31, D63, D64, D72, D83, D91, H11, H20, H50, O50, P16, Z18
I18, I15, I12, I32, I38
G21, I32, O16, P46
I15, I18, I31, I32, J13, J21