| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 3 | 
                                    
                                    0.3%
                                 | 
| 2 | NO | 175 | 
                                    
                                    20.1%
                                 | 
| Sysmiss | 693 | 
                                    
                                    79.6%
                                 |