| Value | Category | Cases | |
|---|---|---|---|
| 1 | NINGUNA DIFICULTAD | 3934 |
91.4%
|
| 2 | CIERTA DIFICULTAD | 325 |
7.5%
|
| 3 | MUCHA DIFICULTAD | 35 |
0.8%
|
| 4 | LE RESULTA IMPOSIBLE APRENDER | 3 |
0.1%
|
| Sysmiss | 9 |
0.2%
|