| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -5 | No inspection has been concluded | 1 |
5%
|
| 1 | Yes | 10 |
50%
|
| 2 | No | 9 |
45%
|
| Sysmiss | 142 |