| Value | Category | Cases | |
|---|---|---|---|
| 1 | NINGUNA DIFICULTAD | 8273 |
92.5%
|
| 2 | CIERTA DIFICULTAD | 114 |
1.3%
|
| 3 | MUCHA DIFICULTAD | 12 |
0.1%
|
| 9 | NO RESPONDE | 2 |
0%
|
| Sysmiss | 541 |
6.1%
|