| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 318 | 
                                    
                                    7.5%
                                 | 
| 2 | NO | 2761 | 
                                    
                                    65.2%
                                 | 
| 9 | NO RESPONSE | 7 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 1149 | 
                                    
                                    27.1%
                                 |