| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Measured | 873 |
92%
|
| 3 | Not present | 28 |
3%
|
| 4 | Refused | 9 |
0.9%
|
| 6 | Other | 39 |
4.1%
|
| Sysmiss | 3533 |