| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 4501 | 
                                    
                                    70.4%
                                 | 
| 2 | NO | 1825 | 
                                    
                                    28.5%
                                 | 
| 9 | NO RESPONSE | 2 | 
                                    
                                    0%
                                 | 
| Sysmiss | 66 | 
                                    
                                    1%
                                 |