| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 1320 | 
                                                                 
                                    
                                    27.4%
                                 
                                                             | 
                                                        
                    
| 2 | no | 3492 | 
                                                                 
                                    
                                    72.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6104 |