| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | not at all | 3558 |
62.7%
|
| 1 | less than once a week | 221 |
3.9%
|
| 2 | at least once a week | 734 |
12.9%
|
| 3 | almost every day | 1160 |
20.4%
|