| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 606 |
52.9%
|
| 1 | yes, spontaneously | 100 |
8.7%
|
| 2 | yes, probed | 440 |
38.4%
|
| 8 | not asked | 0 |
0%
|