| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 24 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    
| 2 | No | 1571 | 
                                                                 
                                    
                                    97%
                                 
                                                             | 
                                                        
                    
| 8 | DK | 2 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 9 | Missing | 22 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1109 |