| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | measured | 4054 |
98.1%
|
| 3 | not present | 48 |
1.2%
|
| 4 | refused | 20 |
0.5%
|
| 6 | other | 11 |
0.3%
|
| 11 | .A | 35 | |
| Sysmiss | 9083 |