| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 51 | 
                                                                 
                                    
                                    10.1%
                                 
                                                             | 
                                                        
                    
| 2 | no | 452 | 
                                                                 
                                    
                                    89.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1279 |