| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 240 | 
                                    
                                    11.1%
                                 | 
| 2 | NO | 56 | 
                                    
                                    2.6%
                                 | 
| Sysmiss | 1857 | 
                                    
                                    86.3%
                                 |