| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 506 | 
                                    
                                    23.5%
                                 | 
| 2 | NO | 261 | 
                                    
                                    12.1%
                                 | 
| Sysmiss | 1386 | 
                                    
                                    64.4%
                                 |