| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No | 359 |
11.8%
|
| 1 | Yes, spontaneously | 736 |
24.1%
|
| 2 | Yes, probed | 1953 |
64.1%
|
| 8 | Not asked | 0 |
0%
|
| 9 | 2 |