| Value | Category | Cases | |
|---|---|---|---|
| 1 | Semanal? | 41 |
1.8%
|
| 2 | Mensual? | 105 |
4.7%
|
| 3 | Trimestral? | 251 |
11.2%
|
| 4 | Semestral? | 385 |
17.2%
|
| 5 | Anual? | 1411 |
63%
|
| 6 | Otra? | 46 |
2.1%
|
| Sysmiss | 107471 |