| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | never | 6824 |
58.5%
|
| 1 | daily | 1982 |
17%
|
| 2 | weekly | 1139 |
9.8%
|
| 3 | monthly | 687 |
5.9%
|
| 4 | less than once a month | 1026 |
8.8%
|