| Value | Category | Cases | |
|---|---|---|---|
| 0 | 398 | 
                                                                 
                                    
                                    72.4%
                                 
                                                             | 
                                                        
                    |
| 1 | 152 | 
                                                                 
                                    
                                    27.6%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 12 |