| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
2.6%
|
| -5 | No inspection has been concluded | 5 |
6.5%
|
| 1 | Yes | 24 |
31.2%
|
| 2 | No | 46 |
59.7%
|
| Sysmiss | 521 |