| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 581 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             | 
                                                        
                    
| 2 | no | 3913 | 
                                                                 
                                    
                                    87.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6 |