| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 2339 | 
                                    
                                    30.2%
                                 | 
| 2 | NO | 1653 | 
                                    
                                    21.3%
                                 | 
| 9 | NO RESPONSE | 4 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 3754 | 
                                    
                                    48.4%
                                 |