| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 | 
                                    
                                    0.8%
                                 | 
| 1 | Yes, fully | 394 | 
                                    
                                    61.1%
                                 | 
| 2 | Yes, partially | 111 | 
                                    
                                    17.2%
                                 | 
| 3 | No | 135 | 
                                    
                                    20.9%
                                 |