| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No | 316 |
96.6%
|
| 1 | Yes, spontaneously | 1 |
0.3%
|
| 2 | Yes, probed | 10 |
3.1%
|
| 8 | Not asked | 0 |
0%
|
| 9 | 4 |