| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 8 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    
| 3 | No | 237 | 
                                                                 
                                    
                                    96.7%
                                 
                                                             | 
                                                        
                    
| 8 | DK | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1768 |