| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 127 | 
                                                                 
                                    
                                    74.7%
                                 
                                                             | 
                                                        
                    
| 2 | no | 41 | 
                                                                 
                                    
                                    24.1%
                                 
                                                             | 
                                                        
                    
| 3 | uncertain | 2 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2443 |