| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | 15 |
4.5%
|
|
| 1 | 41 |
12.4%
|
|
| 2 | 31 |
9.4%
|
|
| 3 | 13 |
3.9%
|
|
| 4 | 4+ | 56 |
17%
|
| 5 | Never used | 174 |
52.7%
|
| 9 | 1 |