| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 792 | 
                                    
                                    6.9%
                                 | 
| 2 | NO | 268 | 
                                    
                                    2.3%
                                 | 
| Sysmiss | 10404 | 
                                    
                                    90.8%
                                 |