| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | not at all | 5104 |
41.4%
|
| 1 | less than once a week | 2422 |
19.6%
|
| 2 | at least once a week | 4817 |
39%
|
| 3 | almost every day | 0 |
0%
|