| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 105 | 
                                                                 
                                    
                                    28.8%
                                 
                                                             | 
                                                        
                    
| 2 | No | 141 | 
                                                                 
                                    
                                    38.6%
                                 
                                                             | 
                                                        
                    
| 8 | DK | 119 | 
                                                                 
                                    
                                    32.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 10551 |