| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 755 | 
                                                                 
                                    
                                    97.8%
                                 
                                                             | 
                                                        
                    
| 2 | No | 3 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 3 | DK | 14 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| 9 | 58 | ||
| Sysmiss | 7965 |