| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 9 | 
                                    
                                    0.6%
                                 | 
| 2 | NO | 1422 | 
                                    
                                    96.1%
                                 | 
| Sysmiss | 48 | 
                                    
                                    3.2%
                                 |