| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Measured | 1996 |
92.1%
|
| 3 | Not present | 74 |
3.4%
|
| 4 | Refused | 17 |
0.8%
|
| 6 | Other | 81 |
3.7%
|
| Sysmiss | 2314 |