| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 11 | 
                                    
                                    1.1%
                                 | 
| 8 | Not applicable | 727 | 
                                    
                                    72.8%
                                 | 
| 9 | Unspecified | 260 | 
                                    
                                    26.1%
                                 |