| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 428 | 
                                    
                                    19.9%
                                 | 
| 2 | NO | 1651 | 
                                    
                                    76.7%
                                 | 
| 9 | NO RESPONSE | 4 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 70 | 
                                    
                                    3.3%
                                 |