| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4470 | 
                                                                 
                                    
                                    27%
                                 
                                                             | 
                                                        
                    |
| 1 | 12097 | 
                                                                 
                                    
                                    73%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 3 |