| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1185 | 
                                    
                                    9.7%
                                 | 
| 2 | NO | 11049 | 
                                    
                                    90.2%
                                 | 
| 9 | NO RESPONSE | 9 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 18817 |