| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    
| -5 | Audit is ongoing | 8 | 
                                                                 
                                    
                                    6.8%
                                 
                                                             | 
                                                        
                    
| 1 | One week or less | 17 | 
                                                                 
                                    
                                    14.4%
                                 
                                                             | 
                                                        
                    
| 2 | 24 | 
                                                                 
                                    
                                    20.3%
                                 
                                                             | 
                                                        
                    |
| 3 | 31 | 
                                                                 
                                    
                                    26.3%
                                 
                                                             | 
                                                        
                    |
| 4 | 17 | 
                                                                 
                                    
                                    14.4%
                                 
                                                             | 
                                                        
                    |
| 5 | 3 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    |
| 6 | 3 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    |
| 7 | 1 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 8 | 4 | 
                                                                 
                                    
                                    3.4%
                                 
                                                             | 
                                                        
                    |
| 9 | 1 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 12 | 2 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    |
| 13 | 1 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 20 | 1 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 30 | 1 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 45 | 1 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 50 | 1 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 274 |