| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    
| -7 | No dispute has been resolved | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | Less than one month | 7 | 
                                                                 
                                    
                                    30.4%
                                 
                                                             | 
                                                        
                    
| 1 | 5 | 
                                                                 
                                    
                                    21.7%
                                 
                                                             | 
                                                        
                    |
| 2 | 2 | 
                                                                 
                                    
                                    8.7%
                                 
                                                             | 
                                                        
                    |
| 4 | 1 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    |
| 5 | 1 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    |
| 6 | 3 | 
                                                                 
                                    
                                    13%
                                 
                                                             | 
                                                        
                    |
| 10 | 1 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    |
| 12 | 2 | 
                                                                 
                                    
                                    8.7%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 127 |