| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | never | 9694 |
73.2%
|
| 1 | daily | 1913 |
14.4%
|
| 2 | weekly | 966 |
7.3%
|
| 3 | monthly | 348 |
2.6%
|
| 4 | less than once a month | 330 |
2.5%
|