| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 536 | 
                                    
                                    13%
                                 | 
| 2 | NO | 15 | 
                                    
                                    0.4%
                                 | 
| Sysmiss | 3571 | 
                                    
                                    86.6%
                                 |