| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 666 | 
                                    
                                    30.9%
                                 | 
| 2 | NO | 504 | 
                                    
                                    23.4%
                                 | 
| Sysmiss | 983 | 
                                    
                                    45.7%
                                 |