| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Almost never | 10 |
0.3%
|
| 1 | Sometimes | 210 |
7%
|
| 2 | Almost always | 2481 |
83.1%
|
| 8 | DK | 283 |
9.5%
|
| 9 | 1 | ||
| Sysmiss | 65 |