| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No | 1517 |
49.8%
|
| 1 | Yes, spontaneously | 209 |
6.9%
|
| 2 | Yes, probed | 1320 |
43.3%
|
| 8 | Not asked | 0 |
0%
|
| 9 | 4 |