| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 1031 | 
                                    
                                    21.6%
                                 | 
| 2 | NO | 25 | 
                                    
                                    0.5%
                                 | 
| Sysmiss | 3721 | 
                                    
                                    77.9%
                                 |