| Value | Category | Cases | |
|---|---|---|---|
| 0 | 36 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    |
| 1 | 515 | 
                                                                 
                                    
                                    93.5%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 11 |