| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 503 | 
                                    
                                    12.2%
                                 | 
| 2 | NO | 48 | 
                                    
                                    1.2%
                                 | 
| Sysmiss | 3571 | 
                                    
                                    86.6%
                                 |