| Value | Category | Cases | |
|---|---|---|---|
| -9 | -9. Don't Know | 0 | 
                                    
                                    0%
                                 | 
| -8 | -8. Refused | 0 | 
                                    
                                    0%
                                 | 
| 200 | 1 | 
                                    
                                    100%
                                 | |
| Sysmiss | 998 |