| Value | Category | Cases | |
|---|---|---|---|
| 1 | Semanal? | 117 |
1.1%
|
| 2 | Mensual? | 498 |
4.7%
|
| 3 | Trimestral? | 929 |
8.8%
|
| 4 | Semestral? | 1502 |
14.2%
|
| 5 | Anual? | 6517 |
61.6%
|
| 6 | Otra? | 1016 |
9.6%
|
| Sysmiss | 31694 |