| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 3331 | 
                                    
                                    20%
                                 | 
| 2 | NO | 13265 | 
                                    
                                    79.8%
                                 | 
| 8 | DK | 9 | 
                                    
                                    0.1%
                                 | 
| 9 | NO RESPONSE | 19 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 65 |