| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 724 | 
                                                                 
                                    
                                    95.1%
                                 
                                                             | 
                                                        
                    
| 2 | No | 15 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    
| 3 | DK | 22 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    
| 9 | 69 | ||
| Sysmiss | 7965 |