| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 3874 | 
                                    
                                    81.1%
                                 | 
| 2 | NO | 207 | 
                                    
                                    4.3%
                                 | 
| 9 | NO RESPONSE | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 695 | 
                                    
                                    14.5%
                                 |