| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | not at all | 16439 |
93.1%
|
| 1 | less than once a week | 696 |
3.9%
|
| 2 | at least once a week | 524 |
3%
|
| 3 | almost every day | 0 |
0%
|