| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 10 | 
                                    
                                    1.1%
                                 | 
| 2 | NO | 857 | 
                                    
                                    98.4%
                                 | 
| Sysmiss | 4 | 
                                    
                                    0.5%
                                 |