| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | not at all | 4874 |
28.5%
|
| 1 | less than once a week | 4343 |
25.4%
|
| 2 | at least once a week | 7851 |
45.9%
|
| 3 | almost every day | 0 |
0%
|
| 9 | 19 |
0.1%
|