| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 1 | Yes, fully | 134 | 
                                                                 
                                    
                                    35.7%
                                 
                                                             | 
                                                        
                    
| 2 | Yes, partially | 8 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    
| 3 | No | 232 | 
                                                                 
                                    
                                    61.9%
                                 
                                                             |