| Value | Category | Cases | |
|---|---|---|---|
| 1 | Semanal? | 80 |
0.9%
|
| 2 | Mensual? | 474 |
5.6%
|
| 3 | Trimestral? | 1083 |
12.7%
|
| 4 | Semestral? | 1458 |
17.1%
|
| 5 | Anual? | 4393 |
51.5%
|
| 6 | Otra? | 1044 |
12.2%
|
| Sysmiss | 33741 |