| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | not at all | 31489 |
79.1%
|
| 1 | less than once a week | 1532 |
3.8%
|
| 2 | at least once a week | 2882 |
7.2%
|
| 3 | almost every day | 3890 |
9.8%
|