| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 1 | Yes, fully | 1180 | 
                                                                 
                                    
                                    97%
                                 
                                                             | 
                                                        
                    
| 2 | Yes, partially | 20 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    
| 3 | No | 13 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             |