| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 215 | 
                                    
                                    89.2%
                                 | 
| 1 | Yes | 19 | 
                                    
                                    7.9%
                                 | 
| 888 | 7 | 
                                    
                                    2.9%
                                 | |
| Sysmiss | 4312 |