| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 15 | 
                                    
                                    9.5%
                                 | 
| 2 | No | 114 | 
                                    
                                    72.2%
                                 | 
| 3 | Don't know | 29 | 
                                    
                                    18.4%
                                 | 
| Sysmiss | 707 |