| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | not at all in last 12 months | 9 |
19.6%
|
| 1 | often | 14 |
30.4%
|
| 2 | sometimes | 23 |
50%
|
| 8 | don't know | 0 |
0%
|
| Sysmiss | 15668 |