| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 427 | 
                                    
                                    12.6%
                                 | 
| 2 | NO | 248 | 
                                    
                                    7.3%
                                 | 
| Sysmiss | 2716 | 
                                    
                                    80.1%
                                 |