| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | measured | 220 |
98.7%
|
| 3 | not present | 2 |
0.9%
|
| 4 | refused | 0 |
0%
|
| 6 | other | 1 |
0.4%
|
| Sysmiss | 6225 |