| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 | 
                                    
                                    3.6%
                                 | 
| -7 | No dispute has been resolved | 20 | 
                                    
                                    17.9%
                                 | 
| 0 | Less than one month | 50 | 
                                    
                                    44.6%
                                 | 
| 1 | 6 | 
                                    
                                    5.4%
                                 | |
| 2 | 11 | 
                                    
                                    9.8%
                                 | |
| 3 | 2 | 
                                    
                                    1.8%
                                 | |
| 5 | 1 | 
                                    
                                    0.9%
                                 | |
| 6 | 8 | 
                                    
                                    7.1%
                                 | |
| 7 | 1 | 
                                    
                                    0.9%
                                 | |
| 8 | 1 | 
                                    
                                    0.9%
                                 | |
| 10 | 1 | 
                                    
                                    0.9%
                                 | |
| 12 | 4 | 
                                    
                                    3.6%
                                 | |
| 15 | 1 | 
                                    
                                    0.9%
                                 | |
| 16 | 1 | 
                                    
                                    0.9%
                                 | |
| 30 | 1 | 
                                    
                                    0.9%
                                 | |
| Sysmiss | 1304 |