| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1790 | 
                                    
                                    32.7%
                                 | 
| 2 | NO | 2407 | 
                                    
                                    43.9%
                                 | 
| 9 | NO RESPONSE | 8 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 1274 | 
                                    
                                    23.3%
                                 |