| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 42 | 
                                    
                                    6.9%
                                 | 
| 1 | Yes, fully | 434 | 
                                    
                                    70.9%
                                 | 
| 2 | Yes, partially | 49 | 
                                    
                                    8%
                                 | 
| 3 | No | 87 | 
                                    
                                    14.2%
                                 |