| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 4635 |
73%
|
| 1 | yes, spontaneously | 52 |
0.8%
|
| 2 | yes, probed | 1659 |
26.1%
|
| 8 | not asked | 0 |
0%
|
| Sysmiss | 8 |