| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | measured | 5550 |
98.1%
|
| 3 | not present | 73 |
1.3%
|
| 4 | refused | 25 |
0.4%
|
| 6 | other | 7 |
0.1%
|
| Sysmiss | 7596 |