| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    
| -5 | No inspection has been concluded | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 55 | 
                                                                 
                                    
                                    67.9%
                                 
                                                             | 
                                                        
                    
| 2 | No | 24 | 
                                                                 
                                    
                                    29.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 160 |