| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 688 | 
                                    
                                    12.6%
                                 | 
| 2 | NO | 2239 | 
                                    
                                    40.9%
                                 | 
| 9 | NO RESPONSE | 6 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 2546 | 
                                    
                                    46.5%
                                 |