| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No | 1 |
25%
|
| 1 | Yes | 2 |
50%
|
| 8 | Don't know | 0 |
0%
|
| 9 | 1 |
25%
|
|
| Sysmiss | 14420 |