| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 6 | 
                                    
                                    0.4%
                                 | 
| 2 | NO | 930 | 
                                    
                                    59.5%
                                 | 
| 9 | NO RESPONSE | 1 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 627 | 
                                    
                                    40.1%
                                 |