| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. Not mentioned | 20 | 
                                                                 
                                    
                                    90.9%
                                 
                                                             | 
                                                        
                    
| 1 | 1. Mentioned | 2 | 
                                                                 
                                    
                                    9.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 77 |