| Value | Category | Cases | |
|---|---|---|---|
| 1 | Semanal? | 22 |
0.6%
|
| 2 | Mensual? | 40 |
1.1%
|
| 3 | Trimestral? | 125 |
3.4%
|
| 4 | Semestral? | 338 |
9.2%
|
| 5 | Anual? | 2690 |
73.4%
|
| 6 | Otra? | 452 |
12.3%
|
| Sysmiss | 38606 |