| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 35 | 
                                    
                                    0.2%
                                 | 
| 2 | NO | 8593 | 
                                    
                                    60.1%
                                 | 
| 9 | NO RESPONSE | 12 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 5657 | 
                                    
                                    39.6%
                                 |