| Value | Category | Cases | |
|---|---|---|---|
| 1 | Semanal? | 420 |
1.6%
|
| 2 | Mensual? | 1147 |
4.4%
|
| 3 | Trimestral? | 2566 |
9.8%
|
| 4 | Semestral? | 4579 |
17.6%
|
| 5 | Anual? | 16834 |
64.6%
|
| 6 | Otra? | 514 |
2%
|
| Sysmiss | 83650 |