| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 2 | 
                                    
                                    1.6%
                                 | 
| 1 | Yes | 117 | 
                                    
                                    94.4%
                                 | 
| 2 | No | 5 | 
                                    
                                    4%
                                 | 
| Sysmiss | 4 |