| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 2783 |
43.2%
|
| 1 | yes, spontaneously | 1178 |
18.3%
|
| 2 | yes, probed | 2484 |
38.5%
|
| 8 | not asked | 0 |
0%
|