| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 25 | 
                                    
                                    1.8%
                                 | 
| 1 | Yes, fully | 834 | 
                                    
                                    58.9%
                                 | 
| 2 | Yes, partially | 81 | 
                                    
                                    5.7%
                                 | 
| 3 | No | 476 | 
                                    
                                    33.6%
                                 |