| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1469 | 
                                    
                                    12.8%
                                 | 
| 2 | NO | 8317 | 
                                    
                                    72.5%
                                 | 
| 9 | NO RESPONSE | 8 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 1670 | 
                                    
                                    14.6%
                                 |