ESPSANT   variables
WEIGHT	aggregation weight.
SIZE	household size.
DEPT	geographical department.
ZONE	geographical zone.
TTEXP	total household expenditures (include health and education)
EQUI	number of adult equivalents in household
EXPEQ	total expenditures per adult equivalent
HEALTHEQ	health expenditures per adult equivalent.
HEALTHUSE	household uses public health services.
SEX	sex of household head