| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | measured | 3861 |
98.1%
|
| 3 | not present | 34 |
0.9%
|
| 4 | refused | 36 |
0.9%
|
| 6 | other | 6 |
0.2%
|
| Sysmiss | 2511 |