| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 1 | Yes, fully | 128 | 
                                    
                                    35.3%
                                 | 
| 2 | Yes, partially | 17 | 
                                    
                                    4.7%
                                 | 
| 3 | No | 218 | 
                                    
                                    60.1%
                                 |