| Value | Category | Cases | |
|---|---|---|---|
| 1 | positive | 233 |
5.9%
|
| 2 | negative | 3706 |
93.8%
|
| 3 | invalid | 8 |
0.2%
|
| 77 | missing | 2 |
0.1%
|
| Sysmiss | 104 |