| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 412 | 
                                                                 
                                    
                                    29.4%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 383 | 
                                                                 
                                    
                                    27.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 605 | 
                                                                 
                                    
                                    43.2%
                                 
                                                             |