| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 796 | 
                                    
                                    18.8%
                                 | 
| 2 | NO | 54 | 
                                    
                                    1.3%
                                 | 
| Sysmiss | 3385 | 
                                    
                                    79.9%
                                 |