| Value | Category | Cases | |
|---|---|---|---|
| 0 | 29 | 
                                                                 
                                    
                                    39.2%
                                 
                                                             | 
                                                        
                    |
| 1 | 45 | 
                                                                 
                                    
                                    60.8%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 22 |