| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 291 | 
                                    
                                    13.5%
                                 | 
| 2 | NO | 25 | 
                                    
                                    1.2%
                                 | 
| Sysmiss | 1837 | 
                                    
                                    85.3%
                                 |