| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | measured | 878 |
98.5%
|
| 3 | not present | 12 |
1.3%
|
| 4 | refused | 1 |
0.1%
|
| 6 | other | 0 |
0%
|
| Sysmiss | 255 |