| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 2765 | 
                                    
                                    19.3%
                                 | 
| 2 | NO | 153 | 
                                    
                                    1.1%
                                 | 
| 9 | NO RESPONSE | 6 | 
                                    
                                    0%
                                 | 
| Sysmiss | 11373 | 
                                    
                                    79.5%
                                 |