| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 123 | 
                                    
                                    12.3%
                                 | 
| 1 | 1 | 0 | 
                                    
                                    0%
                                 | 
| 8 | Not applicable | 0 | 
                                    
                                    0%
                                 | 
| 9 | Unspecified | 877 | 
                                    
                                    87.7%
                                 |