| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 | 
                                                                 
                                    
                                    50%
                                 
                                                             | 
                                                        
                    
| -5 | Audit is ongoing | 1 | 
                                                                 
                                    
                                    50%
                                 
                                                             | 
                                                        
                    
| 1 | One week or less | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 112 |