| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 89 | 
                                    
                                    8.9%
                                 | 
| 8 | Not applicable | 731 | 
                                    
                                    73.2%
                                 | 
| 9 | Unspecified | 178 | 
                                    
                                    17.8%
                                 |