| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 72 | 
                                    
                                    1.7%
                                 | 
| 2 | NO | 56 | 
                                    
                                    1.3%
                                 | 
| Sysmiss | 4107 | 
                                    
                                    97%
                                 |