| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 4466 |
69.3%
|
| 1 | yes, spontaneously | 43 |
0.7%
|
| 2 | yes, probed | 1936 |
30%
|
| 8 | not asked | 0 |
0%
|