| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 487 | 
                                    
                                    4.2%
                                 | 
| 2 | NO | 6693 | 
                                    
                                    58.4%
                                 | 
| Sysmiss | 4284 | 
                                    
                                    37.4%
                                 |