| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | measured | 3855 |
97.5%
|
| 3 | not present | 74 |
1.9%
|
| 4 | refused | 3 |
0.1%
|
| 6 | other | 23 |
0.6%
|
| Sysmiss | 2490 |