| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 175 | 
                                    
                                    3%
                                 | 
| 2 | NO | 715 | 
                                    
                                    12.2%
                                 | 
| 9 | NO RESPONSE | 33 | 
                                    
                                    0.6%
                                 | 
| Sysmiss | 4927 | 
                                    
                                    84.2%
                                 |