| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 279 | 
                                                                 
                                    
                                    49.4%
                                 
                                                             | 
                                                        
                    
| 2 | No | 150 | 
                                                                 
                                    
                                    26.5%
                                 
                                                             | 
                                                        
                    
| 3 | DK | 136 | 
                                                                 
                                    
                                    24.1%
                                 
                                                             | 
                                                        
                    
| 9 | 265 | ||
| Sysmiss | 7965 |