| Value | Category | Cases | |
|---|---|---|---|
| -9 | (-9) Refused | 0 |
0%
|
| -8 | (-8) Don't know | 10 |
0.3%
|
| 1 | (1) Positive | 70 |
2.2%
|
| 2 | (2) Negative | 3072 |
97.5%
|
| 3 | (3) Unknown/ indeterminate | 0 |
0%
|
| 4 | (4) Did not receive | 0 |
0%
|
| Sysmiss | 19110 |