| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 548 |
33.4%
|
| 1 | yes, spontaneously | 577 |
35.2%
|
| 2 | yes, probed | 514 |
31.4%
|
| 8 | not asked | 0 |
0%
|