| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 3742 | 
                                    
                                    26.2%
                                 | 
| 2 | NO | 28 | 
                                    
                                    0.2%
                                 | 
| 9 | NO RESPONSE | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 10526 | 
                                    
                                    73.6%
                                 |