| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 4213 | 
                                    
                                    34%
                                 | 
| 2 | NO | 8154 | 
                                    
                                    65.9%
                                 | 
| 9 | NO RESPONSE | 15 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 3231 |