| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 811 | 
                                    
                                    19.1%
                                 | 
| 2 | NO | 71 | 
                                    
                                    1.7%
                                 | 
| Sysmiss | 3353 | 
                                    
                                    79.2%
                                 |