| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
1%
|
| -5 | No inspection has been concluded | 1 |
1%
|
| 1 | Yes | 91 |
92.9%
|
| 2 | No | 5 |
5.1%
|
| Sysmiss | 256 |