| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 33 | 
                                                                 
                                    
                                    15.9%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 168 | 
                                                                 
                                    
                                    81.2%
                                 
                                                             | 
                                                        
                    
| 8 | dk, not sure, depends | 6 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 5 |