| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 | 
                                    
                                    0.7%
                                 | 
| -5 | No inspection has been concluded | 3 | 
                                    
                                    1%
                                 | 
| 1 | Yes | 247 | 
                                    
                                    82.9%
                                 | 
| 2 | No | 46 | 
                                    
                                    15.4%
                                 | 
| Sysmiss | 1118 |