| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 891 |
77.7%
|
| 1 | yes, spontaneously | 76 |
6.6%
|
| 2 | yes, probed | 179 |
15.6%
|
| 8 | not asked | 0 |
0%
|