| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 972 | 
                                                                 
                                    
                                    23%
                                 
                                                             | 
                                                        
                    
| 2 | No | 3255 | 
                                                                 
                                    
                                    76.9%
                                 
                                                             | 
                                                        
                    
| 8 | Dk | 4 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 9 | No response | 3 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 420 |