| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 2633 |
41.5%
|
| 1 | yes, spontaneously | 2011 |
31.7%
|
| 2 | yes, probed | 1708 |
26.9%
|
| 8 | not asked | 0 |
0%
|
| Sysmiss | 2 |