| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 2218 |
34.4%
|
| 1 | yes, spontaneously | 2370 |
36.8%
|
| 2 | yes, probed | 1857 |
28.8%
|
| 8 | not asked | 0 |
0%
|