| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 435 | 
                                                                 
                                    
                                    61.3%
                                 
                                                             | 
                                                        
                    
| 2 | No | 159 | 
                                                                 
                                    
                                    22.4%
                                 
                                                             | 
                                                        
                    
| 3 | DK | 116 | 
                                                                 
                                    
                                    16.3%
                                 
                                                             | 
                                                        
                    
| 9 | 120 | ||
| Sysmiss | 7965 |