| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 547 | 
                                                                 
                                    
                                    71.1%
                                 
                                                             | 
                                                        
                    
| 2 | No | 104 | 
                                                                 
                                    
                                    13.5%
                                 
                                                             | 
                                                        
                    
| 3 | DK | 118 | 
                                                                 
                                    
                                    15.3%
                                 
                                                             | 
                                                        
                    
| 9 | 61 | ||
| Sysmiss | 7965 |