| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 | 
                                    
                                    2.6%
                                 | 
| 1 | Yes, fully | 238 | 
                                    
                                    38.9%
                                 | 
| 2 | Yes, partially | 165 | 
                                    
                                    27%
                                 | 
| 3 | No | 193 | 
                                    
                                    31.5%
                                 |