| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | measured | 3963 |
98.4%
|
| 3 | not present | 45 |
1.1%
|
| 4 | refused | 13 |
0.3%
|
| 6 | other | 7 |
0.2%
|
| Sysmiss | 2326 |