| Value | Category | Cases | |
|---|---|---|---|
| 1 | Trés difficile | 120 |
20.8%
|
| 2 | Difficile | 335 |
58.2%
|
| 3 | Facile | 119 |
20.7%
|
| 4 | Très facile | 2 |
0.3%
|
| Sysmiss | 632 |