| Value | Category | Cases | |
|---|---|---|---|
| 1 | NINGUNA DIFICULTAD | 3266 |
62%
|
| 2 | CIERTA DIFICULTAD | 49 |
0.9%
|
| 3 | MUCHA DIFICULTAD | 4 |
0.1%
|
| 9 | NO RESPONDE | 1 |
0%
|
| Sysmiss | 1950 |
37%
|