| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Not at all | 1118 |
35.6%
|
| 1 | Less than once a week | 549 |
17.5%
|
| 2 | At least once a week | 1470 |
46.9%
|
| 3 | Almost every day | 0 |
0%
|
| 9 | 12 |