Value |
Category |
2 |
semanal |
3 |
quincenal |
4 |
mensual |
5 |
bimestral |
6 |
trimestral |
7 |
semestral |
8 |
anual |
Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.