| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | no usa | 47 |
5.5%
|
| 2 | semanal | 222 |
25.8%
|
| 3 | mensual | 312 |
36.3%
|
| 4 | trimestral | 74 |
8.6%
|
| 5 | ocasionalmente | 204 |
23.7%
|
| Sysmiss | 10669 |