| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 809 | 
                                                                 
                                    
                                    13.4%
                                 
                                                             | 
                                                        
                    
| 3 | No | 5215 | 
                                                                 
                                    
                                    86.4%
                                 
                                                             | 
                                                        
                    
| 8 | DK | 11 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 18909 |