| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 395 | 
                                    
                                    18.3%
                                 | 
| 2 | NO | 260 | 
                                    
                                    12.1%
                                 | 
| Sysmiss | 1498 | 
                                    
                                    69.6%
                                 |