| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Not at all in last 12 months | 9 |
33.3%
|
| 1 | Often | 7 |
25.9%
|
| 2 | Sometimes | 11 |
40.7%
|
| 8 | Don't know | 0 |
0%
|
| Sysmiss | 847 |