| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 409 | 
                                                                 
                                    
                                    29.2%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 520 | 
                                                                 
                                    
                                    37.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 471 | 
                                                                 
                                    
                                    33.6%
                                 
                                                             |