| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | not at all | 6837 |
90.3%
|
| 1 | less than once a week | 132 |
1.7%
|
| 2 | at least once a week | 232 |
3.1%
|
| 3 | almost every day | 368 |
4.9%
|