| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Not at all | 3732 |
51.1%
|
| 1 | Less than once a week | 1462 |
20%
|
| 2 | At least once a week | 2107 |
28.8%
|
| 3 | Almost every day | 0 |
0%
|
| 9 | 6 |
0.1%
|