| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 25 | 
                                    
                                    2.9%
                                 | 
| 2 | NO | 164 | 
                                    
                                    18.7%
                                 | 
| Sysmiss | 686 | 
                                    
                                    78.4%
                                 |