| Value |
Category |
| 0 |
|
| 1 |
Diaria |
| 2 |
Semanal |
| 3 |
Mensual |
| 4 |
Trimestr |
| 5 |
Semestra |
| 6 |
Anual |
| 7 |
Flotante |
| 8 |
Ninguno |
| 9 |
NR |
| 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.