| Value | Category | Cases | |
|---|---|---|---|
| -999 | No sabe | 0 |
0%
|
| -888 | No contesta | 0 |
0%
|
| 0 | No | 3 |
75%
|
| 1 | Sí | 1 |
25%
|
| Sysmiss | 6524 |