| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1825 | 
                                    
                                    15.9%
                                 | 
| 2 | NO | 9232 | 
                                    
                                    80.5%
                                 | 
| 9 | NO RESPONSE | 78 | 
                                    
                                    0.7%
                                 | 
| Sysmiss | 329 | 
                                    
                                    2.9%
                                 |