| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | Diaria, semanal o mensual | 509761 |
19.2%
|
| 2 | Trimestral, semestral o anual | 2143903 |
80.8%
|
| 99 | No responde | 0 |
0%
|
| Sysmiss | 1024169 |