| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 464 | 
                                    
                                    21.6%
                                 | 
| 2 | NO | 191 | 
                                    
                                    8.9%
                                 | 
| Sysmiss | 1498 | 
                                    
                                    69.6%
                                 |