| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 4968 | 
                                    
                                    37.1%
                                 | 
| 2 | NO | 8402 | 
                                    
                                    62.8%
                                 | 
| 9 | NO RESPONSE | 6 | 
                                    
                                    0%
                                 | 
| Sysmiss | 3313 |