| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 489 | 
                                    
                                    22.7%
                                 | 
| 2 | NO | 166 | 
                                    
                                    7.7%
                                 | 
| Sysmiss | 1498 | 
                                    
                                    69.6%
                                 |