| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 | 
                                    
                                    0.7%
                                 | 
| -6 | Still in process | 8 | 
                                    
                                    1.3%
                                 | 
| 1 | Yes | 332 | 
                                    
                                    54.2%
                                 | 
| 2 | No | 268 | 
                                    
                                    43.8%
                                 |