| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 2136 | 
                                    
                                    36.5%
                                 | 
| 2 | NO | 239 | 
                                    
                                    4.1%
                                 | 
| 9 | NO RESPONSE | 23 | 
                                    
                                    0.4%
                                 | 
| Sysmiss | 3452 | 
                                    
                                    59%
                                 |