| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 635 | 
                                    
                                    15%
                                 | 
| 2 | NO | 358 | 
                                    
                                    8.5%
                                 | 
| Sysmiss | 3242 | 
                                    
                                    76.6%
                                 |