| Value | Category | Cases | |
|---|---|---|---|
| 0 | negative | 16 |
100%
|
| 1 | positive | 0 |
0%
|
| 3 | no present | 0 |
0%
|
| 4 | refused | 0 |
0%
|
| 6 | other | 0 |
0%
|
| Sysmiss | 12933 |