| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 8 | Not applicable | 722 | 
                                                                 
                                    
                                    72.3%
                                 
                                                             | 
                                                        
                    
| 9 | Unspecified | 276 | 
                                                                 
                                    
                                    27.7%
                                 
                                                             |