| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 2889 | 
                                    
                                    26.7%
                                 | 
| 2 | NO | 7924 | 
                                    
                                    73.1%
                                 | 
| 9 | NO RESPONSE | 20 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 20227 |