| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 | 
                                    
                                    7.7%
                                 | 
| -7 | No dispute has been resolved | 1 | 
                                    
                                    7.7%
                                 | 
| 1 | One month or less | 10 | 
                                    
                                    76.9%
                                 | 
| 8 | 1 | 
                                    
                                    7.7%
                                 | |
| Sysmiss | 98 |