| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 981 |
59.9%
|
| 1 | yes, spontaneously | 73 |
4.5%
|
| 2 | yes, probed | 585 |
35.7%
|
| 8 | not asked | 0 |
0%
|