| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 943 | 
                                                                 
                                    
                                    12.8%
                                 
                                                             | 
                                                        
                    
| 2 | no | 6448 | 
                                                                 
                                    
                                    87.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 18562 |