| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused | 0 |
0%
|
| -97 | Not Applicable (was not working before the outbreak) | 5 |
0.3%
|
| 0 | No | 27 |
1.4%
|
| 1 | Yes | 1887 |
98.3%
|
| Sysmiss | 1330 |