| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Not at all | 530 |
60.7%
|
| 1 | Less than once a week | 126 |
14.4%
|
| 2 | At least once a week | 217 |
24.9%
|
| 3 | Almost every day | 0 |
0%
|
| 9 | 1 |