| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 49 | 
                                    
                                    8%
                                 | 
| 1 | Yes, fully | 462 | 
                                    
                                    75.5%
                                 | 
| 2 | Yes, partially | 54 | 
                                    
                                    8.8%
                                 | 
| 3 | No | 47 | 
                                    
                                    7.7%
                                 |