| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 850 | 
                                    
                                    20.1%
                                 | 
| 2 | NO | 32 | 
                                    
                                    0.8%
                                 | 
| Sysmiss | 3353 | 
                                    
                                    79.2%
                                 |