| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1190 | 
                                    
                                    16.6%
                                 | 
| 2 | NO | 5809 | 
                                    
                                    81.1%
                                 | 
| 9 | NO RESPONSE | 163 | 
                                    
                                    2.3%
                                 | 
| Sysmiss | 18476 |