| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Negative | 2 |
50%
|
| 1 | Positive | 1 |
25%
|
| 3 | Absent | 0 |
0%
|
| 4 | Refuse | 1 |
25%
|
| 6 | Others | 0 |
0%
|
| Sysmiss | 14420 |