| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | measured | 786 |
97%
|
| 3 | not present | 17 |
2.1%
|
| 4 | refused | 6 |
0.7%
|
| 6 | other | 1 |
0.1%
|
| Sysmiss | 12441 |