| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 35 | 
                                                                 
                                    
                                    7.8%
                                 
                                                             | 
                                                        
                    
| 2 | No | 245 | 
                                                                 
                                    
                                    54.8%
                                 
                                                             | 
                                                        
                    
| 3 | DK | 167 | 
                                                                 
                                    
                                    37.4%
                                 
                                                             | 
                                                        
                    
| 9 | 383 | ||
| Sysmiss | 7965 |