| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 637 | 
                                    
                                    5.6%
                                 | 
| 2 | NO | 1793 | 
                                    
                                    15.6%
                                 | 
| 9 | NO RESPONSE | 4 | 
                                    
                                    0%
                                 | 
| Sysmiss | 9030 | 
                                    
                                    78.8%
                                 |