| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 462 | 
                                    
                                    8.4%
                                 | 
| 2 | NO | 4878 | 
                                    
                                    89%
                                 | 
| 9 | NO RESPONSE | 19 | 
                                    
                                    0.3%
                                 | 
| Sysmiss | 120 | 
                                    
                                    2.2%
                                 |