| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Measured | 1092 |
96.6%
|
| 3 | Not present | 14 |
1.2%
|
| 4 | Refused | 18 |
1.6%
|
| 6 | Other | 6 |
0.5%
|
| 9 | 15 |