| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 679 | 
                                    
                                    16%
                                 | 
| 2 | NO | 73 | 
                                    
                                    1.7%
                                 | 
| Sysmiss | 3483 | 
                                    
                                    82.2%
                                 |