| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 1 | Yes, fully | 427 | 
                                                                 
                                    
                                    72.1%
                                 
                                                             | 
                                                        
                    
| 2 | Yes, partially | 38 | 
                                                                 
                                    
                                    6.4%
                                 
                                                             | 
                                                        
                    
| 3 | No | 126 | 
                                                                 
                                    
                                    21.3%
                                 
                                                             |