| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 10 | 
                                    
                                    1%
                                 | 
| 8 | Not applicable | 726 | 
                                    
                                    72.7%
                                 | 
| 9 | Unspecified | 262 | 
                                    
                                    26.3%
                                 |