| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 23 | 
                                    
                                    2.1%
                                 | 
| 1 | Yes | 1098 | 
                                    
                                    97.9%
                                 | 
| Sysmiss | DK | 0 | |
| Sysmiss | RF | 0 | |
| Sysmiss | 219 |