| Value | Category | Cases | |
|---|---|---|---|
| 0 | 527 | 
                                                                 
                                    
                                    42.5%
                                 
                                                             | 
                                                        
                    |
| 1 | 519 | 
                                                                 
                                    
                                    41.9%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 192 | 
                                                                 
                                    
                                    15.5%
                                 
                                                             | 
                                                        
                    |
| d | DK | 2 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             |