| Value | Category | Cases | |
|---|---|---|---|
| -998 | Dont know | 1 | 
                                    
                                    0.9%
                                 | 
| 1 | Yes | 97 | 
                                    
                                    86.6%
                                 | 
| 2 | No | 14 | 
                                    
                                    12.5%
                                 | 
| Sysmiss | 19 |