| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | 7 |
0.4%
|
|
| 1 | 7 |
0.4%
|
|
| 2 | 53 |
2.9%
|
|
| 3 | 235 |
12.7%
|
|
| 4 | 283 |
15.3%
|
|
| 5 | 235 |
12.7%
|
|
| 6 | 6+ | 575 |
31.2%
|
| 7 | non-numeric response | 450 |
24.4%
|