| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 817 | 
                                    
                                    7.1%
                                 | 
| 2 | NO | 1488 | 
                                    
                                    13%
                                 | 
| 9 | NO RESPONSE | 25 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 9134 | 
                                    
                                    79.7%
                                 |