| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 50 | 
                                    
                                    34.2%
                                 | 
| 3 | No | 51 | 
                                    
                                    34.9%
                                 | 
| 8 | DK | 45 | 
                                    
                                    30.8%
                                 | 
| Sysmiss | 454 |