| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 588 | 
                                                                 
                                    
                                    79.1%
                                 
                                                             | 
                                                        
                    
| 2 | No | 51 | 
                                                                 
                                    
                                    6.9%
                                 
                                                             | 
                                                        
                    
| 3 | DK | 104 | 
                                                                 
                                    
                                    14%
                                 
                                                             | 
                                                        
                    
| 9 | 87 | ||
| Sysmiss | 7965 |