| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1 | 
                                    
                                    0.1%
                                 | 
| 2 | NO | 188 | 
                                    
                                    21.5%
                                 | 
| Sysmiss | 686 | 
                                    
                                    78.4%
                                 |