| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not Mentioned | 257 | 
                                                                 
                                    
                                    79.8%
                                 
                                                             | 
                                                        
                    
| 1 | Mentioned | 65 | 
                                                                 
                                    
                                    20.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 178 |