| Value | Category | Cases | |
|---|---|---|---|
| 1 | Semanal? | 648 |
7.4%
|
| 2 | Mensual? | 2678 |
30.4%
|
| 3 | Trimestral? | 1793 |
20.4%
|
| 4 | Semestral? | 1068 |
12.1%
|
| 5 | Anual? | 1476 |
16.8%
|
| 6 | Otra? | 1138 |
12.9%
|
| Sysmiss | 33472 |