| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Not at all | 1330 |
25.1%
|
| 1 | Less than once a week | 1046 |
19.7%
|
| 2 | At least once a week | 2933 |
55.2%
|
| 3 | Almost every day | 0 |
0%
|
| 9 | 20 |