| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 744 | 
                                    
                                    11.6%
                                 | 
| 2 | NO | 4296 | 
                                    
                                    67.2%
                                 | 
| 9 | NO RESPONSE | 10 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 1344 | 
                                    
                                    21%
                                 |