| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 | 
                                                                 
                                    
                                    6.8%
                                 
                                                             | 
                                                        
                    
| -5 | Audit is ongoing | 1 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             | 
                                                        
                    
| 1 | One week or less | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 4 | 1 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             | 
                                                        
                    |
| 8 | 39 | 
                                                                 
                                    
                                    88.6%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 344 |