| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
1.8%
|
| -5 | No inspection has been concluded | 1 |
0.5%
|
| 1 | Yes | 200 |
90.5%
|
| 2 | No | 16 |
7.2%
|
| Sysmiss | 610 |