| Value | Category | Cases | |
|---|---|---|---|
| -99 | Do not know yet | 0 |
0%
|
| 1 | Positive | 0 |
0%
|
| 2 | Negative | 2 |
100%
|
| Sysmiss | Don't know | 0 | |
| Sysmiss | Refused to answer | 0 | |
| Sysmiss | Not applicable | 0 | |
| Sysmiss | 4455 |