| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 26 | 
                                                                 
                                    
                                    12.6%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 167 | 
                                                                 
                                    
                                    80.7%
                                 
                                                             | 
                                                        
                    
| 8 | dk | 14 | 
                                                                 
                                    
                                    6.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 5 |