| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 492 |
43%
|
| 1 | yes, spontaneously | 321 |
28%
|
| 2 | yes, probed | 332 |
29%
|
| 8 | not asked | 0 |
0%
|
| Sysmiss | 1 |