| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not Mentioned | 1718 | 
                                                                 
                                    
                                    85%
                                 
                                                             | 
                                                        
                    
| 1 | Mentioned | 302 | 
                                                                 
                                    
                                    15%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3460 |