| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 398 |
34.7%
|
| 1 | yes, spontaneously | 257 |
22.4%
|
| 2 | yes, probed | 491 |
42.8%
|
| 8 | not asked | 0 |
0%
|