| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 8793 | 
                                                                 
                                    
                                    97.9%
                                 
                                                             | 
                                                        
                    
| 8 | DK | 191 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 88 |