| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 109 | 
                                                                 
                                    
                                    64.1%
                                 
                                                             | 
                                                        
                    
| 2 | no | 58 | 
                                                                 
                                    
                                    34.1%
                                 
                                                             | 
                                                        
                    
| 3 | uncertain | 3 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2443 |