| Value | Category | Cases | |
|---|---|---|---|
| 1 | Media hora | 356 |
26%
|
| 2 | 1 hora | 656 |
48%
|
| 3 | 2 horas | 248 |
18.1%
|
| 4 | De 3 a más horas | 108 |
7.9%
|
| Sysmiss | 40992 |