| Value | Category | Cases | |
|---|---|---|---|
| 1 | Positive | 7 |
0%
|
| 2 | Negative | 2 |
0%
|
| 3 | Unclear | 0 |
0%
|
| 993 | Refused | 0 |
0%
|
| 997 | Not Applicable | 23500 |
100%
|
| 998 | Don't know | 0 |
0%
|
| Sysmiss | 2659 |