| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | measured | 5535 |
97.9%
|
| 3 | not present | 74 |
1.3%
|
| 4 | refused | 42 |
0.7%
|
| 6 | other | 4 |
0.1%
|
| Sysmiss | 7596 |