| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1012 | 
                            
                             
                                
                                90.4%
                                                             
                            
                         | 
                        
                    |
| 1 | 108 | 
                            
                             
                                
                                9.6%
                                                             
                            
                         | 
                        
                    |
| Sysmiss | 720 |