| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 4584 | 
                                    
                                    30.4%
                                 | 
| 2 | NO | 6999 | 
                                    
                                    46.4%
                                 | 
| 8 | DK | 3510 | 
                                    
                                    23.2%
                                 | 
| 9 | NO RESPONSE | 7 | 
                                    
                                    0%
                                 | 
| Sysmiss | 15960 |