| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 542 | 
                                    
                                    9.9%
                                 | 
| 2 | NO | 4807 | 
                                    
                                    87.7%
                                 | 
| 9 | NO RESPONSE | 10 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 120 | 
                                    
                                    2.2%
                                 |