| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No | 558 |
18.3%
|
| 1 | Yes, spontaneously | 148 |
4.9%
|
| 2 | Yes, probed | 2341 |
76.8%
|
| 8 | Not asked | 0 |
0%
|
| 9 | 3 |