| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 3185 | 
                                                                 
                                    
                                    79.2%
                                 
                                                             | 
                                                        
                    
| 2 | no | 835 | 
                                                                 
                                    
                                    20.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 21933 |