| Value | Category | Cases | |
|---|---|---|---|
| 1 | Stopped working - temporary or permanent - leaves | 49 |
0.3%
|
| 2 | Sterilization | 112 |
0.6%
|
| 3 | No | 18348 |
98.9%
|
| 4 | Wearing masks | 35 |
0.2%
|
| Sysmiss | 52092 |