| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 638 | 
                                    
                                    11.6%
                                 | 
| 2 | NO | 3549 | 
                                    
                                    64.8%
                                 | 
| 9 | NO RESPONSE | 18 | 
                                    
                                    0.3%
                                 | 
| Sysmiss | 1274 | 
                                    
                                    23.3%
                                 |