| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Très facile | 64 |
5.3%
|
| 2 | Facile | 180 |
15%
|
| 3 | Difficile | 117 |
9.8%
|
| 4 | Très Difficile | 144 |
12%
|
| 7 | Non applicable | 695 |
57.9%
|
| 8 | A refusé | 0 |
0%
|
| 9 | Ne sait pas | 0 |
0%
|