| Valeur | Modalité | Cas | |
|---|---|---|---|
| 3 | Yes, for one year or longer | 1715 |
24%
|
| 10 | No, never | 4772 |
66.9%
|
| 11 | Yes, for less than a year | 484 |
6.8%
|
| Sysmiss | 164 |