| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 443 | 
                                    
                                    30%
                                 | 
| 2 | NO | 226 | 
                                    
                                    15.3%
                                 | 
| Sysmiss | 810 | 
                                    
                                    54.8%
                                 |